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Finding the Fourth Proportional to 88,383.32, 121,971.54 and 48,099.68

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Solution

The fourth proportional to 88,383.32, 121,971.54 and 48,099.68 is: 66,378.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,383.32 : 121,971.54 = 48,099.68 : x
  2. Step 2: Convert to fraction form
    88,383.32/121,971.54 = 48,099.68/x
  3. Step 3: Cross multiply
    88,383.32x = 121,971.54 × 48,099.68
  4. Step 4: Simplify right side
    88,383.32x = 5,866,791,433.25
  5. Step 5: Solve for x
    x = 5,866,791,433.25/88,383.32
  6. Step 6: Final answer
    x = 66,378.95

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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.