Home / 90,177.29-124,443.73-49,891.33

Finding the Fourth Proportional to 90,177.29, 124,443.73 and 49,891.33

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Solution

The fourth proportional to 90,177.29, 124,443.73 and 49,891.33 is: 68,849.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,177.29 : 124,443.73 = 49,891.33 : x
  2. Step 2: Convert to fraction form
    90,177.29/124,443.73 = 49,891.33/x
  3. Step 3: Cross multiply
    90,177.29x = 124,443.73 × 49,891.33
  4. Step 4: Simplify right side
    90,177.29x = 6,208,663,417.78
  5. Step 5: Solve for x
    x = 6,208,663,417.78/90,177.29
  6. Step 6: Final answer
    x = 68,849.52

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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.