Home / 90,108.25-124,346.33-51,862.49

Finding the Fourth Proportional to 90,108.25, 124,346.33 and 51,862.49

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Solution

The fourth proportional to 90,108.25, 124,346.33 and 51,862.49 is: 71,568.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,108.25 : 124,346.33 = 51,862.49 : x
  2. Step 2: Convert to fraction form
    90,108.25/124,346.33 = 51,862.49/x
  3. Step 3: Cross multiply
    90,108.25x = 124,346.33 × 51,862.49
  4. Step 4: Simplify right side
    90,108.25x = 6,448,910,177.83
  5. Step 5: Solve for x
    x = 6,448,910,177.83/90,108.25
  6. Step 6: Final answer
    x = 71,568.48

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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.