Home / 82,764.06-124,068.30-43,347.06

Finding the Fourth Proportional to 82,764.06, 124,068.30 and 43,347.06

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Solution

The fourth proportional to 82,764.06, 124,068.30 and 43,347.06 is: 64,979.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,764.06 : 124,068.30 = 43,347.06 : x
  2. Step 2: Convert to fraction form
    82,764.06/124,068.30 = 43,347.06/x
  3. Step 3: Cross multiply
    82,764.06x = 124,068.30 × 43,347.06
  4. Step 4: Simplify right side
    82,764.06x = 5,377,996,044.20
  5. Step 5: Solve for x
    x = 5,377,996,044.20/82,764.06
  6. Step 6: Final answer
    x = 64,979.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.