Home / 127,422.96-175,828.32-70,052.80

Finding the Fourth Proportional to 127,422.96, 175,828.32 and 70,052.80

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Solution

The fourth proportional to 127,422.96, 175,828.32 and 70,052.80 is: 96,664.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,422.96 : 175,828.32 = 70,052.80 : x
  2. Step 2: Convert to fraction form
    127,422.96/175,828.32 = 70,052.80/x
  3. Step 3: Cross multiply
    127,422.96x = 175,828.32 × 70,052.80
  4. Step 4: Simplify right side
    127,422.96x = 12,317,266,135.30
  5. Step 5: Solve for x
    x = 12,317,266,135.30/127,422.96
  6. Step 6: Final answer
    x = 96,664.42

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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.