Home / 87,360.66-120,549.38-51,070.60

Finding the Fourth Proportional to 87,360.66, 120,549.38 and 51,070.60

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Solution

The fourth proportional to 87,360.66, 120,549.38 and 51,070.60 is: 70,472.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,360.66 : 120,549.38 = 51,070.60 : x
  2. Step 2: Convert to fraction form
    87,360.66/120,549.38 = 51,070.60/x
  3. Step 3: Cross multiply
    87,360.66x = 120,549.38 × 51,070.60
  4. Step 4: Simplify right side
    87,360.66x = 6,156,529,061.56
  5. Step 5: Solve for x
    x = 6,156,529,061.56/87,360.66
  6. Step 6: Final answer
    x = 70,472.56

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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.