Home / 54,972.15-75,861.54-31,098.26

Finding the Fourth Proportional to 54,972.15, 75,861.54 and 31,098.26

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Solution

The fourth proportional to 54,972.15, 75,861.54 and 31,098.26 is: 42,915.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,972.15 : 75,861.54 = 31,098.26 : x
  2. Step 2: Convert to fraction form
    54,972.15/75,861.54 = 31,098.26/x
  3. Step 3: Cross multiply
    54,972.15x = 75,861.54 × 31,098.26
  4. Step 4: Simplify right side
    54,972.15x = 2,359,161,515.61
  5. Step 5: Solve for x
    x = 2,359,161,515.61/54,972.15
  6. Step 6: Final answer
    x = 42,915.58

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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.