Home / 114,713.38-158,299.08-63,729.40

Finding the Fourth Proportional to 114,713.38, 158,299.08 and 63,729.40

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Solution

The fourth proportional to 114,713.38, 158,299.08 and 63,729.40 is: 87,943.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,713.38 : 158,299.08 = 63,729.40 : x
  2. Step 2: Convert to fraction form
    114,713.38/158,299.08 = 63,729.40/x
  3. Step 3: Cross multiply
    114,713.38x = 158,299.08 × 63,729.40
  4. Step 4: Simplify right side
    114,713.38x = 10,088,305,388.95
  5. Step 5: Solve for x
    x = 10,088,305,388.95/114,713.38
  6. Step 6: Final answer
    x = 87,943.58

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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.