Home / 82,780.24-114,237.30-45,054.76

Finding the Fourth Proportional to 82,780.24, 114,237.30 and 45,054.76

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Solution

The fourth proportional to 82,780.24, 114,237.30 and 45,054.76 is: 62,175.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,780.24 : 114,237.30 = 45,054.76 : x
  2. Step 2: Convert to fraction form
    82,780.24/114,237.30 = 45,054.76/x
  3. Step 3: Cross multiply
    82,780.24x = 114,237.30 × 45,054.76
  4. Step 4: Simplify right side
    82,780.24x = 5,146,934,134.55
  5. Step 5: Solve for x
    x = 5,146,934,134.55/82,780.24
  6. Step 6: Final answer
    x = 62,175.88

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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.