Home / 88,078.38-121,569.96-54,095.10

Finding the Fourth Proportional to 88,078.38, 121,569.96 and 54,095.10

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Solution

The fourth proportional to 88,078.38, 121,569.96 and 54,095.10 is: 74,664.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,078.38 : 121,569.96 = 54,095.10 : x
  2. Step 2: Convert to fraction form
    88,078.38/121,569.96 = 54,095.10/x
  3. Step 3: Cross multiply
    88,078.38x = 121,569.96 × 54,095.10
  4. Step 4: Simplify right side
    88,078.38x = 6,576,339,143.20
  5. Step 5: Solve for x
    x = 6,576,339,143.20/88,078.38
  6. Step 6: Final answer
    x = 74,664.62

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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.