Home / 90,725.31-125,207.91-50,442.39

Finding the Fourth Proportional to 90,725.31, 125,207.91 and 50,442.39

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Solution

The fourth proportional to 90,725.31, 125,207.91 and 50,442.39 is: 69,614.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,725.31 : 125,207.91 = 50,442.39 : x
  2. Step 2: Convert to fraction form
    90,725.31/125,207.91 = 50,442.39/x
  3. Step 3: Cross multiply
    90,725.31x = 125,207.91 × 50,442.39
  4. Step 4: Simplify right side
    90,725.31x = 6,315,786,227.30
  5. Step 5: Solve for x
    x = 6,315,786,227.30/90,725.31
  6. Step 6: Final answer
    x = 69,614.38

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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.