Home / 87,592.96-120,878.24-47,306.72

Finding the Fourth Proportional to 87,592.96, 120,878.24 and 47,306.72

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Solution

The fourth proportional to 87,592.96, 120,878.24 and 47,306.72 is: 65,283.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,592.96 : 120,878.24 = 47,306.72 : x
  2. Step 2: Convert to fraction form
    87,592.96/120,878.24 = 47,306.72/x
  3. Step 3: Cross multiply
    87,592.96x = 120,878.24 × 47,306.72
  4. Step 4: Simplify right side
    87,592.96x = 5,718,353,053.77
  5. Step 5: Solve for x
    x = 5,718,353,053.77/87,592.96
  6. Step 6: Final answer
    x = 65,283.25

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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.