Home / 104,710.89-156,861.68-83,695.17

Finding the Fourth Proportional to 104,710.89, 156,861.68 and 83,695.17

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Solution

The fourth proportional to 104,710.89, 156,861.68 and 83,695.17 is: 125,379.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,710.89 : 156,861.68 = 83,695.17 : x
  2. Step 2: Convert to fraction form
    104,710.89/156,861.68 = 83,695.17/x
  3. Step 3: Cross multiply
    104,710.89x = 156,861.68 × 83,695.17
  4. Step 4: Simplify right side
    104,710.89x = 13,128,564,555.61
  5. Step 5: Solve for x
    x = 13,128,564,555.61/104,710.89
  6. Step 6: Final answer
    x = 125,379.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.