Home / 84,907.04-127,362.38-25,742.61

Finding the Fourth Proportional to 84,907.04, 127,362.38 and 25,742.61

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Solution

The fourth proportional to 84,907.04, 127,362.38 and 25,742.61 is: 38,614.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,907.04 : 127,362.38 = 25,742.61 : x
  2. Step 2: Convert to fraction form
    84,907.04/127,362.38 = 25,742.61/x
  3. Step 3: Cross multiply
    84,907.04x = 127,362.38 × 25,742.61
  4. Step 4: Simplify right side
    84,907.04x = 3,278,639,948.30
  5. Step 5: Solve for x
    x = 3,278,639,948.30/84,907.04
  6. Step 6: Final answer
    x = 38,614.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.