Home / 102,423.46-141,332.96-57,098.02

Finding the Fourth Proportional to 102,423.46, 141,332.96 and 57,098.02

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Solution

The fourth proportional to 102,423.46, 141,332.96 and 57,098.02 is: 78,788.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,423.46 : 141,332.96 = 57,098.02 : x
  2. Step 2: Convert to fraction form
    102,423.46/141,332.96 = 57,098.02/x
  3. Step 3: Cross multiply
    102,423.46x = 141,332.96 × 57,098.02
  4. Step 4: Simplify right side
    102,423.46x = 8,069,832,176.74
  5. Step 5: Solve for x
    x = 8,069,832,176.74/102,423.46
  6. Step 6: Final answer
    x = 78,788.90

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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.