Home / 54,803.96-82,139.85-26,681.88

Finding the Fourth Proportional to 54,803.96, 82,139.85 and 26,681.88

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Solution

The fourth proportional to 54,803.96, 82,139.85 and 26,681.88 is: 39,990.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,803.96 : 82,139.85 = 26,681.88 : x
  2. Step 2: Convert to fraction form
    54,803.96/82,139.85 = 26,681.88/x
  3. Step 3: Cross multiply
    54,803.96x = 82,139.85 × 26,681.88
  4. Step 4: Simplify right side
    54,803.96x = 2,191,645,620.92
  5. Step 5: Solve for x
    x = 2,191,645,620.92/54,803.96
  6. Step 6: Final answer
    x = 39,990.65

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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.