Home / 83,895.30-115,772.13-48,060.45

Finding the Fourth Proportional to 83,895.30, 115,772.13 and 48,060.45

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Solution

The fourth proportional to 83,895.30, 115,772.13 and 48,060.45 is: 66,321.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,895.30 : 115,772.13 = 48,060.45 : x
  2. Step 2: Convert to fraction form
    83,895.30/115,772.13 = 48,060.45/x
  3. Step 3: Cross multiply
    83,895.30x = 115,772.13 × 48,060.45
  4. Step 4: Simplify right side
    83,895.30x = 5,564,060,665.26
  5. Step 5: Solve for x
    x = 5,564,060,665.26/83,895.30
  6. Step 6: Final answer
    x = 66,321.48

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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.