Home / 83,899.96-125,854.28-30,590.70

Finding the Fourth Proportional to 83,899.96, 125,854.28 and 30,590.70

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Solution

The fourth proportional to 83,899.96, 125,854.28 and 30,590.70 is: 45,887.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,899.96 : 125,854.28 = 30,590.70 : x
  2. Step 2: Convert to fraction form
    83,899.96/125,854.28 = 30,590.70/x
  3. Step 3: Cross multiply
    83,899.96x = 125,854.28 × 30,590.70
  4. Step 4: Simplify right side
    83,899.96x = 3,849,970,523.20
  5. Step 5: Solve for x
    x = 3,849,970,523.20/83,899.96
  6. Step 6: Final answer
    x = 45,887.63

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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.