Home / 102,680.13-141,695.30-59,663.22

Finding the Fourth Proportional to 102,680.13, 141,695.30 and 59,663.22

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Solution

The fourth proportional to 102,680.13, 141,695.30 and 59,663.22 is: 82,333.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,680.13 : 141,695.30 = 59,663.22 : x
  2. Step 2: Convert to fraction form
    102,680.13/141,695.30 = 59,663.22/x
  3. Step 3: Cross multiply
    102,680.13x = 141,695.30 × 59,663.22
  4. Step 4: Simplify right side
    102,680.13x = 8,453,997,856.87
  5. Step 5: Solve for x
    x = 8,453,997,856.87/102,680.13
  6. Step 6: Final answer
    x = 82,333.34

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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.