Home / 87,323.26-120,476.70-53,319.46

Finding the Fourth Proportional to 87,323.26, 120,476.70 and 53,319.46

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Solution

The fourth proportional to 87,323.26, 120,476.70 and 53,319.46 is: 73,562.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,323.26 : 120,476.70 = 53,319.46 : x
  2. Step 2: Convert to fraction form
    87,323.26/120,476.70 = 53,319.46/x
  3. Step 3: Cross multiply
    87,323.26x = 120,476.70 × 53,319.46
  4. Step 4: Simplify right side
    87,323.26x = 6,423,752,586.58
  5. Step 5: Solve for x
    x = 6,423,752,586.58/87,323.26
  6. Step 6: Final answer
    x = 73,562.90

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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.