Home / 58,721.60-88,079.25-20,768.24

Finding the Fourth Proportional to 58,721.60, 88,079.25 and 20,768.24

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Solution

The fourth proportional to 58,721.60, 88,079.25 and 20,768.24 is: 31,151.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,721.60 : 88,079.25 = 20,768.24 : x
  2. Step 2: Convert to fraction form
    58,721.60/88,079.25 = 20,768.24/x
  3. Step 3: Cross multiply
    58,721.60x = 88,079.25 × 20,768.24
  4. Step 4: Simplify right side
    58,721.60x = 1,829,250,562.62
  5. Step 5: Solve for x
    x = 1,829,250,562.62/58,721.60
  6. Step 6: Final answer
    x = 31,151.24

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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.