Home / 90,822.30-136,087.65-59,621.10

Finding the Fourth Proportional to 90,822.30, 136,087.65 and 59,621.10

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Solution

The fourth proportional to 90,822.30, 136,087.65 and 59,621.10 is: 89,335.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,822.30 : 136,087.65 = 59,621.10 : x
  2. Step 2: Convert to fraction form
    90,822.30/136,087.65 = 59,621.10/x
  3. Step 3: Cross multiply
    90,822.30x = 136,087.65 × 59,621.10
  4. Step 4: Simplify right side
    90,822.30x = 8,113,695,389.42
  5. Step 5: Solve for x
    x = 8,113,695,389.42/90,822.30
  6. Step 6: Final answer
    x = 89,335.94

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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.