Home / 65,721.70-98,582.55-58,723.30

Finding the Fourth Proportional to 65,721.70, 98,582.55 and 58,723.30

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Solution

The fourth proportional to 65,721.70, 98,582.55 and 58,723.30 is: 88,084.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,721.70 : 98,582.55 = 58,723.30 : x
  2. Step 2: Convert to fraction form
    65,721.70/98,582.55 = 58,723.30/x
  3. Step 3: Cross multiply
    65,721.70x = 98,582.55 × 58,723.30
  4. Step 4: Simplify right side
    65,721.70x = 5,789,092,658.42
  5. Step 5: Solve for x
    x = 5,789,092,658.42/65,721.70
  6. Step 6: Final answer
    x = 88,084.95

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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.