Home / 127,422.28-175,839.01-70,061.68

Finding the Fourth Proportional to 127,422.28, 175,839.01 and 70,061.68

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Solution

The fourth proportional to 127,422.28, 175,839.01 and 70,061.68 is: 96,683.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,422.28 : 175,839.01 = 70,061.68 : x
  2. Step 2: Convert to fraction form
    127,422.28/175,839.01 = 70,061.68/x
  3. Step 3: Cross multiply
    127,422.28x = 175,839.01 × 70,061.68
  4. Step 4: Simplify right side
    127,422.28x = 12,319,576,450.14
  5. Step 5: Solve for x
    x = 12,319,576,450.14/127,422.28
  6. Step 6: Final answer
    x = 96,683.06

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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.