Home / 77,733.80-107,273.10-43,742.85

Finding the Fourth Proportional to 77,733.80, 107,273.10 and 43,742.85

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Solution

The fourth proportional to 77,733.80, 107,273.10 and 43,742.85 is: 60,365.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,733.80 : 107,273.10 = 43,742.85 : x
  2. Step 2: Convert to fraction form
    77,733.80/107,273.10 = 43,742.85/x
  3. Step 3: Cross multiply
    77,733.80x = 107,273.10 × 43,742.85
  4. Step 4: Simplify right side
    77,733.80x = 4,692,431,122.34
  5. Step 5: Solve for x
    x = 4,692,431,122.34/77,733.80
  6. Step 6: Final answer
    x = 60,365.39

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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.