Home / 102,554.76-141,531.10-60,126.96

Finding the Fourth Proportional to 102,554.76, 141,531.10 and 60,126.96

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Solution

The fourth proportional to 102,554.76, 141,531.10 and 60,126.96 is: 82,978.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,554.76 : 141,531.10 = 60,126.96 : x
  2. Step 2: Convert to fraction form
    102,554.76/141,531.10 = 60,126.96/x
  3. Step 3: Cross multiply
    102,554.76x = 141,531.10 × 60,126.96
  4. Step 4: Simplify right side
    102,554.76x = 8,509,834,788.46
  5. Step 5: Solve for x
    x = 8,509,834,788.46/102,554.76
  6. Step 6: Final answer
    x = 82,978.45

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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.