Home / 102,603.28-141,553.56-62,301.76

Finding the Fourth Proportional to 102,603.28, 141,553.56 and 62,301.76

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Solution

The fourth proportional to 102,603.28, 141,553.56 and 62,301.76 is: 85,952.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,603.28 : 141,553.56 = 62,301.76 : x
  2. Step 2: Convert to fraction form
    102,603.28/141,553.56 = 62,301.76/x
  3. Step 3: Cross multiply
    102,603.28x = 141,553.56 × 62,301.76
  4. Step 4: Simplify right side
    102,603.28x = 8,819,035,922.27
  5. Step 5: Solve for x
    x = 8,819,035,922.27/102,603.28
  6. Step 6: Final answer
    x = 85,952.77

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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.