Home / 90,374.72-124,717.11-54,573.53

Finding the Fourth Proportional to 90,374.72, 124,717.11 and 54,573.53

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Solution

The fourth proportional to 90,374.72, 124,717.11 and 54,573.53 is: 75,311.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,374.72 : 124,717.11 = 54,573.53 : x
  2. Step 2: Convert to fraction form
    90,374.72/124,717.11 = 54,573.53/x
  3. Step 3: Cross multiply
    90,374.72x = 124,717.11 × 54,573.53
  4. Step 4: Simplify right side
    90,374.72x = 6,806,253,255.89
  5. Step 5: Solve for x
    x = 6,806,253,255.89/90,374.72
  6. Step 6: Final answer
    x = 75,311.47

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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.