Home / 69,966.72-96,554.09-38,135.61

Finding the Fourth Proportional to 69,966.72, 96,554.09 and 38,135.61

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Solution

The fourth proportional to 69,966.72, 96,554.09 and 38,135.61 is: 52,627.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,966.72 : 96,554.09 = 38,135.61 : x
  2. Step 2: Convert to fraction form
    69,966.72/96,554.09 = 38,135.61/x
  3. Step 3: Cross multiply
    69,966.72x = 96,554.09 × 38,135.61
  4. Step 4: Simplify right side
    69,966.72x = 3,682,149,215.48
  5. Step 5: Solve for x
    x = 3,682,149,215.48/69,966.72
  6. Step 6: Final answer
    x = 52,627.15

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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.