Home / 90,507.74-124,915.59-50,234.48

Finding the Fourth Proportional to 90,507.74, 124,915.59 and 50,234.48

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Solution

The fourth proportional to 90,507.74, 124,915.59 and 50,234.48 is: 69,331.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,507.74 : 124,915.59 = 50,234.48 : x
  2. Step 2: Convert to fraction form
    90,507.74/124,915.59 = 50,234.48/x
  3. Step 3: Cross multiply
    90,507.74x = 124,915.59 × 50,234.48
  4. Step 4: Simplify right side
    90,507.74x = 6,275,069,707.54
  5. Step 5: Solve for x
    x = 6,275,069,707.54/90,507.74
  6. Step 6: Final answer
    x = 69,331.86

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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.