Home / 102,937.92-141,941.52-67,061.40

Finding the Fourth Proportional to 102,937.92, 141,941.52 and 67,061.40

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Solution

The fourth proportional to 102,937.92, 141,941.52 and 67,061.40 is: 92,471.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,937.92 : 141,941.52 = 67,061.40 : x
  2. Step 2: Convert to fraction form
    102,937.92/141,941.52 = 67,061.40/x
  3. Step 3: Cross multiply
    102,937.92x = 141,941.52 × 67,061.40
  4. Step 4: Simplify right side
    102,937.92x = 9,518,797,049.33
  5. Step 5: Solve for x
    x = 9,518,797,049.33/102,937.92
  6. Step 6: Final answer
    x = 92,471.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.