Home / 127,394.31-175,806.38-70,036.04

Finding the Fourth Proportional to 127,394.31, 175,806.38 and 70,036.04

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Solution

The fourth proportional to 127,394.31, 175,806.38 and 70,036.04 is: 96,650.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,394.31 : 175,806.38 = 70,036.04 : x
  2. Step 2: Convert to fraction form
    127,394.31/175,806.38 = 70,036.04/x
  3. Step 3: Cross multiply
    127,394.31x = 175,806.38 × 70,036.04
  4. Step 4: Simplify right side
    127,394.31x = 12,312,781,432.72
  5. Step 5: Solve for x
    x = 12,312,781,432.72/127,394.31
  6. Step 6: Final answer
    x = 96,650.95

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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.