Home / 90,452.68-124,832.28-52,729.36

Finding the Fourth Proportional to 90,452.68, 124,832.28 and 52,729.36

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Solution

The fourth proportional to 90,452.68, 124,832.28 and 52,729.36 is: 72,770.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,452.68 : 124,832.28 = 52,729.36 : x
  2. Step 2: Convert to fraction form
    90,452.68/124,832.28 = 52,729.36/x
  3. Step 3: Cross multiply
    90,452.68x = 124,832.28 × 52,729.36
  4. Step 4: Simplify right side
    90,452.68x = 6,582,326,231.74
  5. Step 5: Solve for x
    x = 6,582,326,231.74/90,452.68
  6. Step 6: Final answer
    x = 72,770.94

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1.5x scale

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.