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Finding the Fourth Proportional to 88,012, 121,464.24 and 48,275.68

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Solution

The fourth proportional to 88,012, 121,464.24 and 48,275.68 is: 66,624.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,012 : 121,464.24 = 48,275.68 : x
  2. Step 2: Convert to fraction form
    88,012/121,464.24 = 48,275.68/x
  3. Step 3: Cross multiply
    88,012x = 121,464.24 × 48,275.68
  4. Step 4: Simplify right side
    88,012x = 5,863,768,781.68
  5. Step 5: Solve for x
    x = 5,863,768,781.68/88,012
  6. Step 6: Final answer
    x = 66,624.65

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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.