Home / 90,548.10-135,822.15-59,055.30

Finding the Fourth Proportional to 90,548.10, 135,822.15 and 59,055.30

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Solution

The fourth proportional to 90,548.10, 135,822.15 and 59,055.30 is: 88,582.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,548.10 : 135,822.15 = 59,055.30 : x
  2. Step 2: Convert to fraction form
    90,548.10/135,822.15 = 59,055.30/x
  3. Step 3: Cross multiply
    90,548.10x = 135,822.15 × 59,055.30
  4. Step 4: Simplify right side
    90,548.10x = 8,021,017,814.90
  5. Step 5: Solve for x
    x = 8,021,017,814.90/90,548.10
  6. Step 6: Final answer
    x = 88,582.95

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.