Home / 75,531.20-113,307.60-25,613.60

Finding the Fourth Proportional to 75,531.20, 113,307.60 and 25,613.60

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Solution

The fourth proportional to 75,531.20, 113,307.60 and 25,613.60 is: 38,424.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,531.20 : 113,307.60 = 25,613.60 : x
  2. Step 2: Convert to fraction form
    75,531.20/113,307.60 = 25,613.60/x
  3. Step 3: Cross multiply
    75,531.20x = 113,307.60 × 25,613.60
  4. Step 4: Simplify right side
    75,531.20x = 2,902,215,543.36
  5. Step 5: Solve for x
    x = 2,902,215,543.36/75,531.20
  6. Step 6: Final answer
    x = 38,424.06

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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.