Home / 80,567.55-120,853.71-38,452.07

Finding the Fourth Proportional to 80,567.55, 120,853.71 and 38,452.07

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Solution

The fourth proportional to 80,567.55, 120,853.71 and 38,452.07 is: 57,679.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,567.55 : 120,853.71 = 38,452.07 : x
  2. Step 2: Convert to fraction form
    80,567.55/120,853.71 = 38,452.07/x
  3. Step 3: Cross multiply
    80,567.55x = 120,853.71 × 38,452.07
  4. Step 4: Simplify right side
    80,567.55x = 4,647,074,712.41
  5. Step 5: Solve for x
    x = 4,647,074,712.41/80,567.55
  6. Step 6: Final answer
    x = 57,679.24

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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.