Home / 109,891.14-151,669.19-64,569.11

Finding the Fourth Proportional to 109,891.14, 151,669.19 and 64,569.11

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Solution

The fourth proportional to 109,891.14, 151,669.19 and 64,569.11 is: 89,116.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,891.14 : 151,669.19 = 64,569.11 : x
  2. Step 2: Convert to fraction form
    109,891.14/151,669.19 = 64,569.11/x
  3. Step 3: Cross multiply
    109,891.14x = 151,669.19 × 64,569.11
  4. Step 4: Simplify right side
    109,891.14x = 9,793,144,612.72
  5. Step 5: Solve for x
    x = 9,793,144,612.72/109,891.14
  6. Step 6: Final answer
    x = 89,116.78

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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.