Home / 87,513.26-120,770.72-53,521.13

Finding the Fourth Proportional to 87,513.26, 120,770.72 and 53,521.13

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Solution

The fourth proportional to 87,513.26, 120,770.72 and 53,521.13 is: 73,860.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,513.26 : 120,770.72 = 53,521.13 : x
  2. Step 2: Convert to fraction form
    87,513.26/120,770.72 = 53,521.13/x
  3. Step 3: Cross multiply
    87,513.26x = 120,770.72 × 53,521.13
  4. Step 4: Simplify right side
    87,513.26x = 6,463,784,533.85
  5. Step 5: Solve for x
    x = 6,463,784,533.85/87,513.26
  6. Step 6: Final answer
    x = 73,860.63

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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.