Home / 82,490.40-113,836.76-44,764.65

Finding the Fourth Proportional to 82,490.40, 113,836.76 and 44,764.65

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Solution

The fourth proportional to 82,490.40, 113,836.76 and 44,764.65 is: 61,775.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,490.40 : 113,836.76 = 44,764.65 : x
  2. Step 2: Convert to fraction form
    82,490.40/113,836.76 = 44,764.65/x
  3. Step 3: Cross multiply
    82,490.40x = 113,836.76 × 44,764.65
  4. Step 4: Simplify right side
    82,490.40x = 5,095,862,494.71
  5. Step 5: Solve for x
    x = 5,095,862,494.71/82,490.40
  6. Step 6: Final answer
    x = 61,775.22

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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.