Home / 54,842.18-75,681.87-29,691.50

Finding the Fourth Proportional to 54,842.18, 75,681.87 and 29,691.50

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Solution

The fourth proportional to 54,842.18, 75,681.87 and 29,691.50 is: 40,974.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,842.18 : 75,681.87 = 29,691.50 : x
  2. Step 2: Convert to fraction form
    54,842.18/75,681.87 = 29,691.50/x
  3. Step 3: Cross multiply
    54,842.18x = 75,681.87 × 29,691.50
  4. Step 4: Simplify right side
    54,842.18x = 2,247,108,243.11
  5. Step 5: Solve for x
    x = 2,247,108,243.11/54,842.18
  6. Step 6: Final answer
    x = 40,974.09

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1.5x scale

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.