Home / 69,871.46-96,422.65-38,040.48

Finding the Fourth Proportional to 69,871.46, 96,422.65 and 38,040.48

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Solution

The fourth proportional to 69,871.46, 96,422.65 and 38,040.48 is: 52,495.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,871.46 : 96,422.65 = 38,040.48 : x
  2. Step 2: Convert to fraction form
    69,871.46/96,422.65 = 38,040.48/x
  3. Step 3: Cross multiply
    69,871.46x = 96,422.65 × 38,040.48
  4. Step 4: Simplify right side
    69,871.46x = 3,667,963,793.77
  5. Step 5: Solve for x
    x = 3,667,963,793.77/69,871.46
  6. Step 6: Final answer
    x = 52,495.88

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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.