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Finding the Fourth Proportional to 83,548.82, 124,455.04 and 79,021.74

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Solution

The fourth proportional to 83,548.82, 124,455.04 and 79,021.74 is: 117,711.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,548.82 : 124,455.04 = 79,021.74 : x
  2. Step 2: Convert to fraction form
    83,548.82/124,455.04 = 79,021.74/x
  3. Step 3: Cross multiply
    83,548.82x = 124,455.04 × 79,021.74
  4. Step 4: Simplify right side
    83,548.82x = 9,834,653,812.57
  5. Step 5: Solve for x
    x = 9,834,653,812.57/83,548.82
  6. Step 6: Final answer
    x = 117,711.46

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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.