Home / 69,844.64-96,385.40-38,013.56

Finding the Fourth Proportional to 69,844.64, 96,385.40 and 38,013.56

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Solution

The fourth proportional to 69,844.64, 96,385.40 and 38,013.56 is: 52,458.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,844.64 : 96,385.40 = 38,013.56 : x
  2. Step 2: Convert to fraction form
    69,844.64/96,385.40 = 38,013.56/x
  3. Step 3: Cross multiply
    69,844.64x = 96,385.40 × 38,013.56
  4. Step 4: Simplify right side
    69,844.64x = 3,663,952,186.02
  5. Step 5: Solve for x
    x = 3,663,952,186.02/69,844.64
  6. Step 6: Final answer
    x = 52,458.60

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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.