Home / 86,488.24-129,693.38-36,542.63

Finding the Fourth Proportional to 86,488.24, 129,693.38 and 36,542.63

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Solution

The fourth proportional to 86,488.24, 129,693.38 and 36,542.63 is: 54,797.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,488.24 : 129,693.38 = 36,542.63 : x
  2. Step 2: Convert to fraction form
    86,488.24/129,693.38 = 36,542.63/x
  3. Step 3: Cross multiply
    86,488.24x = 129,693.38 × 36,542.63
  4. Step 4: Simplify right side
    86,488.24x = 4,739,337,198.79
  5. Step 5: Solve for x
    x = 4,739,337,198.79/86,488.24
  6. Step 6: Final answer
    x = 54,797.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.