Home / 87,265.20-120,437.20-53,266.52

Finding the Fourth Proportional to 87,265.20, 120,437.20 and 53,266.52

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Solution

The fourth proportional to 87,265.20, 120,437.20 and 53,266.52 is: 73,514.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,265.20 : 120,437.20 = 53,266.52 : x
  2. Step 2: Convert to fraction form
    87,265.20/120,437.20 = 53,266.52/x
  3. Step 3: Cross multiply
    87,265.20x = 120,437.20 × 53,266.52
  4. Step 4: Simplify right side
    87,265.20x = 6,415,270,522.54
  5. Step 5: Solve for x
    x = 6,415,270,522.54/87,265.20
  6. Step 6: Final answer
    x = 73,514.65

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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.