Home / 127,440.64-175,872.50-70,082.31

Finding the Fourth Proportional to 127,440.64, 175,872.50 and 70,082.31

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Solution

The fourth proportional to 127,440.64, 175,872.50 and 70,082.31 is: 96,716.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,440.64 : 175,872.50 = 70,082.31 : x
  2. Step 2: Convert to fraction form
    127,440.64/175,872.50 = 70,082.31/x
  3. Step 3: Cross multiply
    127,440.64x = 175,872.50 × 70,082.31
  4. Step 4: Simplify right side
    127,440.64x = 12,325,551,065.48
  5. Step 5: Solve for x
    x = 12,325,551,065.48/127,440.64
  6. Step 6: Final answer
    x = 96,716.02

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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.