Home / 90,107.01-124,356.74-49,823.82

Finding the Fourth Proportional to 90,107.01, 124,356.74 and 49,823.82

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Solution

The fourth proportional to 90,107.01, 124,356.74 and 49,823.82 is: 68,761.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,107.01 : 124,356.74 = 49,823.82 : x
  2. Step 2: Convert to fraction form
    90,107.01/124,356.74 = 49,823.82/x
  3. Step 3: Cross multiply
    90,107.01x = 124,356.74 × 49,823.82
  4. Step 4: Simplify right side
    90,107.01x = 6,195,927,580.43
  5. Step 5: Solve for x
    x = 6,195,927,580.43/90,107.01
  6. Step 6: Final answer
    x = 68,761.88

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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.