Home / 96,867.76-133,679.28-54,426.28

Finding the Fourth Proportional to 96,867.76, 133,679.28 and 54,426.28

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Solution

The fourth proportional to 96,867.76, 133,679.28 and 54,426.28 is: 75,109.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,867.76 : 133,679.28 = 54,426.28 : x
  2. Step 2: Convert to fraction form
    96,867.76/133,679.28 = 54,426.28/x
  3. Step 3: Cross multiply
    96,867.76x = 133,679.28 × 54,426.28
  4. Step 4: Simplify right side
    96,867.76x = 7,275,665,923.48
  5. Step 5: Solve for x
    x = 7,275,665,923.48/96,867.76
  6. Step 6: Final answer
    x = 75,109.26

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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.