Home / 67,640.92-101,440.86-23,242.12

Finding the Fourth Proportional to 67,640.92, 101,440.86 and 23,242.12

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Solution

The fourth proportional to 67,640.92, 101,440.86 and 23,242.12 is: 34,856.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,640.92 : 101,440.86 = 23,242.12 : x
  2. Step 2: Convert to fraction form
    67,640.92/101,440.86 = 23,242.12/x
  3. Step 3: Cross multiply
    67,640.92x = 101,440.86 × 23,242.12
  4. Step 4: Simplify right side
    67,640.92x = 2,357,700,641.02
  5. Step 5: Solve for x
    x = 2,357,700,641.02/67,640.92
  6. Step 6: Final answer
    x = 34,856.13

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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.