Home / 127,339.72-175,725.66-70,751.23

Finding the Fourth Proportional to 127,339.72, 175,725.66 and 70,751.23

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Solution

The fourth proportional to 127,339.72, 175,725.66 and 70,751.23 is: 97,634.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,339.72 : 175,725.66 = 70,751.23 : x
  2. Step 2: Convert to fraction form
    127,339.72/175,725.66 = 70,751.23/x
  3. Step 3: Cross multiply
    127,339.72x = 175,725.66 × 70,751.23
  4. Step 4: Simplify right side
    127,339.72x = 12,432,806,587.56
  5. Step 5: Solve for x
    x = 12,432,806,587.56/127,339.72
  6. Step 6: Final answer
    x = 97,634.95

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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.