Home / 83,501.64-115,233.03-45,775.89

Finding the Fourth Proportional to 83,501.64, 115,233.03 and 45,775.89

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Solution

The fourth proportional to 83,501.64, 115,233.03 and 45,775.89 is: 63,171.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,501.64 : 115,233.03 = 45,775.89 : x
  2. Step 2: Convert to fraction form
    83,501.64/115,233.03 = 45,775.89/x
  3. Step 3: Cross multiply
    83,501.64x = 115,233.03 × 45,775.89
  4. Step 4: Simplify right side
    83,501.64x = 5,274,894,505.65
  5. Step 5: Solve for x
    x = 5,274,894,505.65/83,501.64
  6. Step 6: Final answer
    x = 63,171.15

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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.