Home / 90,531.68-124,927.88-50,245.47

Finding the Fourth Proportional to 90,531.68, 124,927.88 and 50,245.47

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Solution

The fourth proportional to 90,531.68, 124,927.88 and 50,245.47 is: 69,335.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,531.68 : 124,927.88 = 50,245.47 : x
  2. Step 2: Convert to fraction form
    90,531.68/124,927.88 = 50,245.47/x
  3. Step 3: Cross multiply
    90,531.68x = 124,927.88 × 50,245.47
  4. Step 4: Simplify right side
    90,531.68x = 6,277,059,795.48
  5. Step 5: Solve for x
    x = 6,277,059,795.48/90,531.68
  6. Step 6: Final answer
    x = 69,335.51

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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.