Home / 75,447.63-104,126.76-45,249.57

Finding the Fourth Proportional to 75,447.63, 104,126.76 and 45,249.57

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Solution

The fourth proportional to 75,447.63, 104,126.76 and 45,249.57 is: 62,449.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,447.63 : 104,126.76 = 45,249.57 : x
  2. Step 2: Convert to fraction form
    75,447.63/104,126.76 = 45,249.57/x
  3. Step 3: Cross multiply
    75,447.63x = 104,126.76 × 45,249.57
  4. Step 4: Simplify right side
    75,447.63x = 4,711,691,115.49
  5. Step 5: Solve for x
    x = 4,711,691,115.49/75,447.63
  6. Step 6: Final answer
    x = 62,449.82

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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.