Home / 114,979.28-158,679.02-63,991.44

Finding the Fourth Proportional to 114,979.28, 158,679.02 and 63,991.44

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Solution

The fourth proportional to 114,979.28, 158,679.02 and 63,991.44 is: 88,312.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,979.28 : 158,679.02 = 63,991.44 : x
  2. Step 2: Convert to fraction form
    114,979.28/158,679.02 = 63,991.44/x
  3. Step 3: Cross multiply
    114,979.28x = 158,679.02 × 63,991.44
  4. Step 4: Simplify right side
    114,979.28x = 10,154,099,147.57
  5. Step 5: Solve for x
    x = 10,154,099,147.57/114,979.28
  6. Step 6: Final answer
    x = 88,312.43

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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.