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Finding the Fourth Proportional to 88,364.40, 121,943.39 and 48,078.46

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Solution

The fourth proportional to 88,364.40, 121,943.39 and 48,078.46 is: 66,348.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,364.40 : 121,943.39 = 48,078.46 : x
  2. Step 2: Convert to fraction form
    88,364.40/121,943.39 = 48,078.46/x
  3. Step 3: Cross multiply
    88,364.40x = 121,943.39 × 48,078.46
  4. Step 4: Simplify right side
    88,364.40x = 5,862,850,398.38
  5. Step 5: Solve for x
    x = 5,862,850,398.38/88,364.40
  6. Step 6: Final answer
    x = 66,348.56

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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.