Home / 59,755.72-82,488.40-42,539.20

Finding the Fourth Proportional to 59,755.72, 82,488.40 and 42,539.20

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Solution

The fourth proportional to 59,755.72, 82,488.40 and 42,539.20 is: 58,722.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,755.72 : 82,488.40 = 42,539.20 : x
  2. Step 2: Convert to fraction form
    59,755.72/82,488.40 = 42,539.20/x
  3. Step 3: Cross multiply
    59,755.72x = 82,488.40 × 42,539.20
  4. Step 4: Simplify right side
    59,755.72x = 3,508,990,545.28
  5. Step 5: Solve for x
    x = 3,508,990,545.28/59,755.72
  6. Step 6: Final answer
    x = 58,722.25

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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.