Home / 127,440.88-175,872.93-70,084.56

Finding the Fourth Proportional to 127,440.88, 175,872.93 and 70,084.56

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Solution

The fourth proportional to 127,440.88, 175,872.93 and 70,084.56 is: 96,719.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,440.88 : 175,872.93 = 70,084.56 : x
  2. Step 2: Convert to fraction form
    127,440.88/175,872.93 = 70,084.56/x
  3. Step 3: Cross multiply
    127,440.88x = 175,872.93 × 70,084.56
  4. Step 4: Simplify right side
    127,440.88x = 12,325,976,923.60
  5. Step 5: Solve for x
    x = 12,325,976,923.60/127,440.88
  6. Step 6: Final answer
    x = 96,719.18

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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.