Home / 69,939.36-96,552-47,397.48

Finding the Fourth Proportional to 69,939.36, 96,552 and 47,397.48

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Solution

The fourth proportional to 69,939.36, 96,552 and 47,397.48 is: 65,432.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,939.36 : 96,552 = 47,397.48 : x
  2. Step 2: Convert to fraction form
    69,939.36/96,552 = 47,397.48/x
  3. Step 3: Cross multiply
    69,939.36x = 96,552 × 47,397.48
  4. Step 4: Simplify right side
    69,939.36x = 4,576,321,488.96
  5. Step 5: Solve for x
    x = 4,576,321,488.96/69,939.36
  6. Step 6: Final answer
    x = 65,432.70

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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.