Home / 127,949.50-176,570.31-71,360.92

Finding the Fourth Proportional to 127,949.50, 176,570.31 and 71,360.92

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Solution

The fourth proportional to 127,949.50, 176,570.31 and 71,360.92 is: 98,478.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,949.50 : 176,570.31 = 71,360.92 : x
  2. Step 2: Convert to fraction form
    127,949.50/176,570.31 = 71,360.92/x
  3. Step 3: Cross multiply
    127,949.50x = 176,570.31 × 71,360.92
  4. Step 4: Simplify right side
    127,949.50x = 12,600,219,766.29
  5. Step 5: Solve for x
    x = 12,600,219,766.29/127,949.50
  6. Step 6: Final answer
    x = 98,478.07

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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.