Home / 90,259.92-124,559.67-49,974.39

Finding the Fourth Proportional to 90,259.92, 124,559.67 and 49,974.39

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Solution

The fourth proportional to 90,259.92, 124,559.67 and 49,974.39 is: 68,965.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,259.92 : 124,559.67 = 49,974.39 : x
  2. Step 2: Convert to fraction form
    90,259.92/124,559.67 = 49,974.39/x
  3. Step 3: Cross multiply
    90,259.92x = 124,559.67 × 49,974.39
  4. Step 4: Simplify right side
    90,259.92x = 6,224,794,064.58
  5. Step 5: Solve for x
    x = 6,224,794,064.58/90,259.92
  6. Step 6: Final answer
    x = 68,965.21

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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.