Home / 127,407.38-175,822.30-70,047.68

Finding the Fourth Proportional to 127,407.38, 175,822.30 and 70,047.68

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Solution

The fourth proportional to 127,407.38, 175,822.30 and 70,047.68 is: 96,665.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,407.38 : 175,822.30 = 70,047.68 : x
  2. Step 2: Convert to fraction form
    127,407.38/175,822.30 = 70,047.68/x
  3. Step 3: Cross multiply
    127,407.38x = 175,822.30 × 70,047.68
  4. Step 4: Simplify right side
    127,407.38x = 12,315,944,207.26
  5. Step 5: Solve for x
    x = 12,315,944,207.26/127,407.38
  6. Step 6: Final answer
    x = 96,665.86

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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.