Home / 87,561.14-120,834.27-51,764.06

Finding the Fourth Proportional to 87,561.14, 120,834.27 and 51,764.06

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Solution

The fourth proportional to 87,561.14, 120,834.27 and 51,764.06 is: 71,434.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,561.14 : 120,834.27 = 51,764.06 : x
  2. Step 2: Convert to fraction form
    87,561.14/120,834.27 = 51,764.06/x
  3. Step 3: Cross multiply
    87,561.14x = 120,834.27 × 51,764.06
  4. Step 4: Simplify right side
    87,561.14x = 6,254,872,402.34
  5. Step 5: Solve for x
    x = 6,254,872,402.34/87,561.14
  6. Step 6: Final answer
    x = 71,434.34

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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.