Home / 127,426.25-175,884.87-73,747.55

Finding the Fourth Proportional to 127,426.25, 175,884.87 and 73,747.55

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Solution

The fourth proportional to 127,426.25, 175,884.87 and 73,747.55 is: 101,792.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,426.25 : 175,884.87 = 73,747.55 : x
  2. Step 2: Convert to fraction form
    127,426.25/175,884.87 = 73,747.55/x
  3. Step 3: Cross multiply
    127,426.25x = 175,884.87 × 73,747.55
  4. Step 4: Simplify right side
    127,426.25x = 12,971,077,365.14
  5. Step 5: Solve for x
    x = 12,971,077,365.14/127,426.25
  6. Step 6: Final answer
    x = 101,792.82

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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.