Home / 102,696.86-141,679.50-62,404.22

Finding the Fourth Proportional to 102,696.86, 141,679.50 and 62,404.22

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Solution

The fourth proportional to 102,696.86, 141,679.50 and 62,404.22 is: 86,092.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,696.86 : 141,679.50 = 62,404.22 : x
  2. Step 2: Convert to fraction form
    102,696.86/141,679.50 = 62,404.22/x
  3. Step 3: Cross multiply
    102,696.86x = 141,679.50 × 62,404.22
  4. Step 4: Simplify right side
    102,696.86x = 8,841,398,687.49
  5. Step 5: Solve for x
    x = 8,841,398,687.49/102,696.86
  6. Step 6: Final answer
    x = 86,092.20

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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.