Home / 83,864.12-115,735.34-48,061.04

Finding the Fourth Proportional to 83,864.12, 115,735.34 and 48,061.04

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Solution

The fourth proportional to 83,864.12, 115,735.34 and 48,061.04 is: 66,325.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,864.12 : 115,735.34 = 48,061.04 : x
  2. Step 2: Convert to fraction form
    83,864.12/115,735.34 = 48,061.04/x
  3. Step 3: Cross multiply
    83,864.12x = 115,735.34 × 48,061.04
  4. Step 4: Simplify right side
    83,864.12x = 5,562,360,805.15
  5. Step 5: Solve for x
    x = 5,562,360,805.15/83,864.12
  6. Step 6: Final answer
    x = 66,325.87

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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.