Home / 87,522.18-120,775.29-51,703.62

Finding the Fourth Proportional to 87,522.18, 120,775.29 and 51,703.62

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Solution

The fourth proportional to 87,522.18, 120,775.29 and 51,703.62 is: 71,347.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,522.18 : 120,775.29 = 51,703.62 : x
  2. Step 2: Convert to fraction form
    87,522.18/120,775.29 = 51,703.62/x
  3. Step 3: Cross multiply
    87,522.18x = 120,775.29 × 51,703.62
  4. Step 4: Simplify right side
    87,522.18x = 6,244,519,699.55
  5. Step 5: Solve for x
    x = 6,244,519,699.55/87,522.18
  6. Step 6: Final answer
    x = 71,347.85

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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.