Home / 90,068.24-135,102.42-23,508.20

Finding the Fourth Proportional to 90,068.24, 135,102.42 and 23,508.20

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Solution

The fourth proportional to 90,068.24, 135,102.42 and 23,508.20 is: 35,262.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,068.24 : 135,102.42 = 23,508.20 : x
  2. Step 2: Convert to fraction form
    90,068.24/135,102.42 = 23,508.20/x
  3. Step 3: Cross multiply
    90,068.24x = 135,102.42 × 23,508.20
  4. Step 4: Simplify right side
    90,068.24x = 3,176,014,709.84
  5. Step 5: Solve for x
    x = 3,176,014,709.84/90,068.24
  6. Step 6: Final answer
    x = 35,262.32

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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.