Home / 58,423.26-87,712.72-39,511.43

Finding the Fourth Proportional to 58,423.26, 87,712.72 and 39,511.43

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Solution

The fourth proportional to 58,423.26, 87,712.72 and 39,511.43 is: 59,319.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,423.26 : 87,712.72 = 39,511.43 : x
  2. Step 2: Convert to fraction form
    58,423.26/87,712.72 = 39,511.43/x
  3. Step 3: Cross multiply
    58,423.26x = 87,712.72 × 39,511.43
  4. Step 4: Simplify right side
    58,423.26x = 3,465,654,557.83
  5. Step 5: Solve for x
    x = 3,465,654,557.83/58,423.26
  6. Step 6: Final answer
    x = 59,319.78

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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.