Home / 90,403.67-124,757.05-50,117.33

Finding the Fourth Proportional to 90,403.67, 124,757.05 and 50,117.33

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Solution

The fourth proportional to 90,403.67, 124,757.05 and 50,117.33 is: 69,161.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,403.67 : 124,757.05 = 50,117.33 : x
  2. Step 2: Convert to fraction form
    90,403.67/124,757.05 = 50,117.33/x
  3. Step 3: Cross multiply
    90,403.67x = 124,757.05 × 50,117.33
  4. Step 4: Simplify right side
    90,403.67x = 6,252,490,244.68
  5. Step 5: Solve for x
    x = 6,252,490,244.68/90,403.67
  6. Step 6: Final answer
    x = 69,161.91

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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.