Home / 78,418.08-108,199.62-44,423.56

Finding the Fourth Proportional to 78,418.08, 108,199.62 and 44,423.56

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Solution

The fourth proportional to 78,418.08, 108,199.62 and 44,423.56 is: 61,294.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,418.08 : 108,199.62 = 44,423.56 : x
  2. Step 2: Convert to fraction form
    78,418.08/108,199.62 = 44,423.56/x
  3. Step 3: Cross multiply
    78,418.08x = 108,199.62 × 44,423.56
  4. Step 4: Simplify right side
    78,418.08x = 4,806,612,311.05
  5. Step 5: Solve for x
    x = 4,806,612,311.05/78,418.08
  6. Step 6: Final answer
    x = 61,294.70

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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.