Home / 78,599.16-108,464.94-45,063

Finding the Fourth Proportional to 78,599.16, 108,464.94 and 45,063

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Solution

The fourth proportional to 78,599.16, 108,464.94 and 45,063 is: 62,185.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,599.16 : 108,464.94 = 45,063 : x
  2. Step 2: Convert to fraction form
    78,599.16/108,464.94 = 45,063/x
  3. Step 3: Cross multiply
    78,599.16x = 108,464.94 × 45,063
  4. Step 4: Simplify right side
    78,599.16x = 4,887,755,591.22
  5. Step 5: Solve for x
    x = 4,887,755,591.22/78,599.16
  6. Step 6: Final answer
    x = 62,185.85

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Why These Related Problems?

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