Home / 116,702.43-175,037.13-66,620.13

Finding the Fourth Proportional to 116,702.43, 175,037.13 and 66,620.13

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Solution

The fourth proportional to 116,702.43, 175,037.13 and 66,620.13 is: 99,920.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,702.43 : 175,037.13 = 66,620.13 : x
  2. Step 2: Convert to fraction form
    116,702.43/175,037.13 = 66,620.13/x
  3. Step 3: Cross multiply
    116,702.43x = 175,037.13 × 66,620.13
  4. Step 4: Simplify right side
    116,702.43x = 11,660,996,355.43
  5. Step 5: Solve for x
    x = 11,660,996,355.43/116,702.43
  6. Step 6: Final answer
    x = 99,920.77

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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.