Home / 54,972.08-75,861.48-31,098.26

Finding the Fourth Proportional to 54,972.08, 75,861.48 and 31,098.26

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Solution

The fourth proportional to 54,972.08, 75,861.48 and 31,098.26 is: 42,915.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,972.08 : 75,861.48 = 31,098.26 : x
  2. Step 2: Convert to fraction form
    54,972.08/75,861.48 = 31,098.26/x
  3. Step 3: Cross multiply
    54,972.08x = 75,861.48 × 31,098.26
  4. Step 4: Simplify right side
    54,972.08x = 2,359,160,029.02
  5. Step 5: Solve for x
    x = 2,359,160,029.02/54,972.08
  6. Step 6: Final answer
    x = 42,915.60

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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.