Home / 127,367.52-175,771.44-70,781.28

Finding the Fourth Proportional to 127,367.52, 175,771.44 and 70,781.28

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Solution

The fourth proportional to 127,367.52, 175,771.44 and 70,781.28 is: 97,680.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,367.52 : 175,771.44 = 70,781.28 : x
  2. Step 2: Convert to fraction form
    127,367.52/175,771.44 = 70,781.28/x
  3. Step 3: Cross multiply
    127,367.52x = 175,771.44 × 70,781.28
  4. Step 4: Simplify right side
    127,367.52x = 12,441,327,510.64
  5. Step 5: Solve for x
    x = 12,441,327,510.64/127,367.52
  6. Step 6: Final answer
    x = 97,680.54

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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.