Home / 69,695.17-96,172.39-39,474.46

Finding the Fourth Proportional to 69,695.17, 96,172.39 and 39,474.46

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Solution

The fourth proportional to 69,695.17, 96,172.39 and 39,474.46 is: 54,470.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,695.17 : 96,172.39 = 39,474.46 : x
  2. Step 2: Convert to fraction form
    69,695.17/96,172.39 = 39,474.46/x
  3. Step 3: Cross multiply
    69,695.17x = 96,172.39 × 39,474.46
  4. Step 4: Simplify right side
    69,695.17x = 3,796,353,162.16
  5. Step 5: Solve for x
    x = 3,796,353,162.16/69,695.17
  6. Step 6: Final answer
    x = 54,470.82

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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.