Home / 78,270.44-108,013.25-44,278.20

Finding the Fourth Proportional to 78,270.44, 108,013.25 and 44,278.20

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Solution

The fourth proportional to 78,270.44, 108,013.25 and 44,278.20 is: 61,103.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,270.44 : 108,013.25 = 44,278.20 : x
  2. Step 2: Convert to fraction form
    78,270.44/108,013.25 = 44,278.20/x
  3. Step 3: Cross multiply
    78,270.44x = 108,013.25 × 44,278.20
  4. Step 4: Simplify right side
    78,270.44x = 4,782,632,064.76
  5. Step 5: Solve for x
    x = 4,782,632,064.76/78,270.44
  6. Step 6: Final answer
    x = 61,103.94

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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.