Home / 87,572.23-120,852.65-51,792.91

Finding the Fourth Proportional to 87,572.23, 120,852.65 and 51,792.91

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Solution

The fourth proportional to 87,572.23, 120,852.65 and 51,792.91 is: 71,475.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,572.23 : 120,852.65 = 51,792.91 : x
  2. Step 2: Convert to fraction form
    87,572.23/120,852.65 = 51,792.91/x
  3. Step 3: Cross multiply
    87,572.23x = 120,852.65 × 51,792.91
  4. Step 4: Simplify right side
    87,572.23x = 6,259,309,949.93
  5. Step 5: Solve for x
    x = 6,259,309,949.93/87,572.23
  6. Step 6: Final answer
    x = 71,475.97

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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.