Home / 71,534.06-98,721.72-41,320.65

Finding the Fourth Proportional to 71,534.06, 98,721.72 and 41,320.65

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Solution

The fourth proportional to 71,534.06, 98,721.72 and 41,320.65 is: 57,025.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,534.06 : 98,721.72 = 41,320.65 : x
  2. Step 2: Convert to fraction form
    71,534.06/98,721.72 = 41,320.65/x
  3. Step 3: Cross multiply
    71,534.06x = 98,721.72 × 41,320.65
  4. Step 4: Simplify right side
    71,534.06x = 4,079,245,639.52
  5. Step 5: Solve for x
    x = 4,079,245,639.52/71,534.06
  6. Step 6: Final answer
    x = 57,025.22

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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.