Home / 127,336.97-175,721.87-70,748.48

Finding the Fourth Proportional to 127,336.97, 175,721.87 and 70,748.48

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Solution

The fourth proportional to 127,336.97, 175,721.87 and 70,748.48 is: 97,631.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,336.97 : 175,721.87 = 70,748.48 : x
  2. Step 2: Convert to fraction form
    127,336.97/175,721.87 = 70,748.48/x
  3. Step 3: Cross multiply
    127,336.97x = 175,721.87 × 70,748.48
  4. Step 4: Simplify right side
    127,336.97x = 12,432,054,851.52
  5. Step 5: Solve for x
    x = 12,432,054,851.52/127,336.97
  6. Step 6: Final answer
    x = 97,631.15

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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.