Home / 90,423.95-135,608.22-62,523.29

Finding the Fourth Proportional to 90,423.95, 135,608.22 and 62,523.29

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Solution

The fourth proportional to 90,423.95, 135,608.22 and 62,523.29 is: 93,765.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,423.95 : 135,608.22 = 62,523.29 : x
  2. Step 2: Convert to fraction form
    90,423.95/135,608.22 = 62,523.29/x
  3. Step 3: Cross multiply
    90,423.95x = 135,608.22 × 62,523.29
  4. Step 4: Simplify right side
    90,423.95x = 8,478,672,424.27
  5. Step 5: Solve for x
    x = 8,478,672,424.27/90,423.95
  6. Step 6: Final answer
    x = 93,765.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.