Home / 68,658.48-94,791.52-52,711.20

Finding the Fourth Proportional to 68,658.48, 94,791.52 and 52,711.20

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Solution

The fourth proportional to 68,658.48, 94,791.52 and 52,711.20 is: 72,774.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,658.48 : 94,791.52 = 52,711.20 : x
  2. Step 2: Convert to fraction form
    68,658.48/94,791.52 = 52,711.20/x
  3. Step 3: Cross multiply
    68,658.48x = 94,791.52 × 52,711.20
  4. Step 4: Simplify right side
    68,658.48x = 4,996,574,769.02
  5. Step 5: Solve for x
    x = 4,996,574,769.02/68,658.48
  6. Step 6: Final answer
    x = 72,774.33

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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.