Home / 90,327.11-124,651.35-49,491.28

Finding the Fourth Proportional to 90,327.11, 124,651.35 and 49,491.28

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Solution

The fourth proportional to 90,327.11, 124,651.35 and 49,491.28 is: 68,297.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,327.11 : 124,651.35 = 49,491.28 : x
  2. Step 2: Convert to fraction form
    90,327.11/124,651.35 = 49,491.28/x
  3. Step 3: Cross multiply
    90,327.11x = 124,651.35 × 49,491.28
  4. Step 4: Simplify right side
    90,327.11x = 6,169,154,553.60
  5. Step 5: Solve for x
    x = 6,169,154,553.60/90,327.11
  6. Step 6: Final answer
    x = 68,297.93

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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.