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Finding the Fourth Proportional to 88,540.39, 132,849.71 and 46,410.40

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Solution

The fourth proportional to 88,540.39, 132,849.71 and 46,410.40 is: 69,636.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,540.39 : 132,849.71 = 46,410.40 : x
  2. Step 2: Convert to fraction form
    88,540.39/132,849.71 = 46,410.40/x
  3. Step 3: Cross multiply
    88,540.39x = 132,849.71 × 46,410.40
  4. Step 4: Simplify right side
    88,540.39x = 6,165,607,964.89
  5. Step 5: Solve for x
    x = 6,165,607,964.89/88,540.39
  6. Step 6: Final answer
    x = 69,636.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.