Home / 127,319.28-175,695.96-70,734.36

Finding the Fourth Proportional to 127,319.28, 175,695.96 and 70,734.36

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Solution

The fourth proportional to 127,319.28, 175,695.96 and 70,734.36 is: 97,610.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,319.28 : 175,695.96 = 70,734.36 : x
  2. Step 2: Convert to fraction form
    127,319.28/175,695.96 = 70,734.36/x
  3. Step 3: Cross multiply
    127,319.28x = 175,695.96 × 70,734.36
  4. Step 4: Simplify right side
    127,319.28x = 12,427,741,285.19
  5. Step 5: Solve for x
    x = 12,427,741,285.19/127,319.28
  6. Step 6: Final answer
    x = 97,610.84

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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.