Home / 65,624.20-98,436.30-61,217.80

Finding the Fourth Proportional to 65,624.20, 98,436.30 and 61,217.80

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Solution

The fourth proportional to 65,624.20, 98,436.30 and 61,217.80 is: 91,826.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,624.20 : 98,436.30 = 61,217.80 : x
  2. Step 2: Convert to fraction form
    65,624.20/98,436.30 = 61,217.80/x
  3. Step 3: Cross multiply
    65,624.20x = 98,436.30 × 61,217.80
  4. Step 4: Simplify right side
    65,624.20x = 6,026,053,726.14
  5. Step 5: Solve for x
    x = 6,026,053,726.14/65,624.20
  6. Step 6: Final answer
    x = 91,826.70

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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.