Home / 75,478.32-104,162.22-45,268.56

Finding the Fourth Proportional to 75,478.32, 104,162.22 and 45,268.56

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Solution

The fourth proportional to 75,478.32, 104,162.22 and 45,268.56 is: 62,471.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,478.32 : 104,162.22 = 45,268.56 : x
  2. Step 2: Convert to fraction form
    75,478.32/104,162.22 = 45,268.56/x
  3. Step 3: Cross multiply
    75,478.32x = 104,162.22 × 45,268.56
  4. Step 4: Simplify right side
    75,478.32x = 4,715,273,705.80
  5. Step 5: Solve for x
    x = 4,715,273,705.80/75,478.32
  6. Step 6: Final answer
    x = 62,471.90

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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.