Home / 54,862.28-82,195.02-51,909.84

Finding the Fourth Proportional to 54,862.28, 82,195.02 and 51,909.84

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Solution

The fourth proportional to 54,862.28, 82,195.02 and 51,909.84 is: 77,771.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,862.28 : 82,195.02 = 51,909.84 : x
  2. Step 2: Convert to fraction form
    54,862.28/82,195.02 = 51,909.84/x
  3. Step 3: Cross multiply
    54,862.28x = 82,195.02 × 51,909.84
  4. Step 4: Simplify right side
    54,862.28x = 4,266,730,337.00
  5. Step 5: Solve for x
    x = 4,266,730,337.00/54,862.28
  6. Step 6: Final answer
    x = 77,771.66

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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.