Home / 96,631.38-144,758.43-66,574.71

Finding the Fourth Proportional to 96,631.38, 144,758.43 and 66,574.71

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Solution

The fourth proportional to 96,631.38, 144,758.43 and 66,574.71 is: 99,732.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,631.38 : 144,758.43 = 66,574.71 : x
  2. Step 2: Convert to fraction form
    96,631.38/144,758.43 = 66,574.71/x
  3. Step 3: Cross multiply
    96,631.38x = 144,758.43 × 66,574.71
  4. Step 4: Simplify right side
    96,631.38x = 9,637,250,497.31
  5. Step 5: Solve for x
    x = 9,637,250,497.31/96,631.38
  6. Step 6: Final answer
    x = 99,732.10

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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.