Home / 96,619.65-133,335.13-54,178.20

Finding the Fourth Proportional to 96,619.65, 133,335.13 and 54,178.20

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Solution

The fourth proportional to 96,619.65, 133,335.13 and 54,178.20 is: 74,765.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,619.65 : 133,335.13 = 54,178.20 : x
  2. Step 2: Convert to fraction form
    96,619.65/133,335.13 = 54,178.20/x
  3. Step 3: Cross multiply
    96,619.65x = 133,335.13 × 54,178.20
  4. Step 4: Simplify right side
    96,619.65x = 7,223,857,340.17
  5. Step 5: Solve for x
    x = 7,223,857,340.17/96,619.65
  6. Step 6: Final answer
    x = 74,765.92

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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.