Home / 105,934.32-158,901.76-25,972.65

Finding the Fourth Proportional to 105,934.32, 158,901.76 and 25,972.65

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Solution

The fourth proportional to 105,934.32, 158,901.76 and 25,972.65 is: 38,959.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,934.32 : 158,901.76 = 25,972.65 : x
  2. Step 2: Convert to fraction form
    105,934.32/158,901.76 = 25,972.65/x
  3. Step 3: Cross multiply
    105,934.32x = 158,901.76 × 25,972.65
  4. Step 4: Simplify right side
    105,934.32x = 4,127,099,796.86
  5. Step 5: Solve for x
    x = 4,127,099,796.86/105,934.32
  6. Step 6: Final answer
    x = 38,959.04

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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.