Home / 58,279.92-87,397.68-20,833.08

Finding the Fourth Proportional to 58,279.92, 87,397.68 and 20,833.08

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Solution

The fourth proportional to 58,279.92, 87,397.68 and 20,833.08 is: 31,241.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,279.92 : 87,397.68 = 20,833.08 : x
  2. Step 2: Convert to fraction form
    58,279.92/87,397.68 = 20,833.08/x
  3. Step 3: Cross multiply
    58,279.92x = 87,397.68 × 20,833.08
  4. Step 4: Simplify right side
    58,279.92x = 1,820,762,859.25
  5. Step 5: Solve for x
    x = 1,820,762,859.25/58,279.92
  6. Step 6: Final answer
    x = 31,241.68

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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.