Home / 58,319.60-87,461.17-18,868.55

Finding the Fourth Proportional to 58,319.60, 87,461.17 and 18,868.55

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Solution

The fourth proportional to 58,319.60, 87,461.17 and 18,868.55 is: 28,296.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,319.60 : 87,461.17 = 18,868.55 : x
  2. Step 2: Convert to fraction form
    58,319.60/87,461.17 = 18,868.55/x
  3. Step 3: Cross multiply
    58,319.60x = 87,461.17 × 18,868.55
  4. Step 4: Simplify right side
    58,319.60x = 1,650,264,974.73
  5. Step 5: Solve for x
    x = 1,650,264,974.73/58,319.60
  6. Step 6: Final answer
    x = 28,296.92

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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.