Home / 127,949.52-176,570.30-71,359.68

Finding the Fourth Proportional to 127,949.52, 176,570.30 and 71,359.68

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Solution

The fourth proportional to 127,949.52, 176,570.30 and 71,359.68 is: 98,476.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,949.52 : 176,570.30 = 71,359.68 : x
  2. Step 2: Convert to fraction form
    127,949.52/176,570.30 = 71,359.68/x
  3. Step 3: Cross multiply
    127,949.52x = 176,570.30 × 71,359.68
  4. Step 4: Simplify right side
    127,949.52x = 12,600,000,105.50
  5. Step 5: Solve for x
    x = 12,600,000,105.50/127,949.52
  6. Step 6: Final answer
    x = 98,476.34

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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.