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Finding the Fourth Proportional to 83,448.32, 124,428.11 and 74,175.44

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Solution

The fourth proportional to 83,448.32, 124,428.11 and 74,175.44 is: 110,601.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,448.32 : 124,428.11 = 74,175.44 : x
  2. Step 2: Convert to fraction form
    83,448.32/124,428.11 = 74,175.44/x
  3. Step 3: Cross multiply
    83,448.32x = 124,428.11 × 74,175.44
  4. Step 4: Simplify right side
    83,448.32x = 9,229,508,814.60
  5. Step 5: Solve for x
    x = 9,229,508,814.60/83,448.32
  6. Step 6: Final answer
    x = 110,601.50

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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.