Home / 127,470.38-175,913.42-70,112.12

Finding the Fourth Proportional to 127,470.38, 175,913.42 and 70,112.12

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Solution

The fourth proportional to 127,470.38, 175,913.42 and 70,112.12 is: 96,757.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,470.38 : 175,913.42 = 70,112.12 : x
  2. Step 2: Convert to fraction form
    127,470.38/175,913.42 = 70,112.12/x
  3. Step 3: Cross multiply
    127,470.38x = 175,913.42 × 70,112.12
  4. Step 4: Simplify right side
    127,470.38x = 12,333,661,582.52
  5. Step 5: Solve for x
    x = 12,333,661,582.52/127,470.38
  6. Step 6: Final answer
    x = 96,757.08

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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.