Home / 127,948.50-176,568.93-71,359.92

Finding the Fourth Proportional to 127,948.50, 176,568.93 and 71,359.92

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Solution

The fourth proportional to 127,948.50, 176,568.93 and 71,359.92 is: 98,476.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,948.50 : 176,568.93 = 71,359.92 : x
  2. Step 2: Convert to fraction form
    127,948.50/176,568.93 = 71,359.92/x
  3. Step 3: Cross multiply
    127,948.50x = 176,568.93 × 71,359.92
  4. Step 4: Simplify right side
    127,948.50x = 12,599,944,719.29
  5. Step 5: Solve for x
    x = 12,599,944,719.29/127,948.50
  6. Step 6: Final answer
    x = 98,476.69

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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.