Home / 87,000.29-120,068.82-48,766.34

Finding the Fourth Proportional to 87,000.29, 120,068.82 and 48,766.34

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Solution

The fourth proportional to 87,000.29, 120,068.82 and 48,766.34 is: 67,302.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,000.29 : 120,068.82 = 48,766.34 : x
  2. Step 2: Convert to fraction form
    87,000.29/120,068.82 = 48,766.34/x
  3. Step 3: Cross multiply
    87,000.29x = 120,068.82 × 48,766.34
  4. Step 4: Simplify right side
    87,000.29x = 5,855,316,299.17
  5. Step 5: Solve for x
    x = 5,855,316,299.17/87,000.29
  6. Step 6: Final answer
    x = 67,302.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.