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Finding the Fourth Proportional to 75,100.17, 103,603.23 and 43,250.61

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Solution

The fourth proportional to 75,100.17, 103,603.23 and 43,250.61 is: 59,665.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,100.17 : 103,603.23 = 43,250.61 : x
  2. Step 2: Convert to fraction form
    75,100.17/103,603.23 = 43,250.61/x
  3. Step 3: Cross multiply
    75,100.17x = 103,603.23 × 43,250.61
  4. Step 4: Simplify right side
    75,100.17x = 4,480,902,895.47
  5. Step 5: Solve for x
    x = 4,480,902,895.47/75,100.17
  6. Step 6: Final answer
    x = 59,665.68

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.