Home / 127,338.44-175,725.78-70,748.60

Finding the Fourth Proportional to 127,338.44, 175,725.78 and 70,748.60

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Solution

The fourth proportional to 127,338.44, 175,725.78 and 70,748.60 is: 97,632.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,338.44 : 175,725.78 = 70,748.60 : x
  2. Step 2: Convert to fraction form
    127,338.44/175,725.78 = 70,748.60/x
  3. Step 3: Cross multiply
    127,338.44x = 175,725.78 × 70,748.60
  4. Step 4: Simplify right side
    127,338.44x = 12,432,352,918.91
  5. Step 5: Solve for x
    x = 12,432,352,918.91/127,338.44
  6. Step 6: Final answer
    x = 97,632.36

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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.