Home / 127,057.40-175,334.80-70,474.04

Finding the Fourth Proportional to 127,057.40, 175,334.80 and 70,474.04

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Solution

The fourth proportional to 127,057.40, 175,334.80 and 70,474.04 is: 97,251.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,057.40 : 175,334.80 = 70,474.04 : x
  2. Step 2: Convert to fraction form
    127,057.40/175,334.80 = 70,474.04/x
  3. Step 3: Cross multiply
    127,057.40x = 175,334.80 × 70,474.04
  4. Step 4: Simplify right side
    127,057.40x = 12,356,551,708.59
  5. Step 5: Solve for x
    x = 12,356,551,708.59/127,057.40
  6. Step 6: Final answer
    x = 97,251.73

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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.