Home / 75,479.32-104,163.60-45,269.56

Finding the Fourth Proportional to 75,479.32, 104,163.60 and 45,269.56

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Solution

The fourth proportional to 75,479.32, 104,163.60 and 45,269.56 is: 62,473.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,479.32 : 104,163.60 = 45,269.56 : x
  2. Step 2: Convert to fraction form
    75,479.32/104,163.60 = 45,269.56/x
  3. Step 3: Cross multiply
    75,479.32x = 104,163.60 × 45,269.56
  4. Step 4: Simplify right side
    75,479.32x = 4,715,440,340.02
  5. Step 5: Solve for x
    x = 4,715,440,340.02/75,479.32
  6. Step 6: Final answer
    x = 62,473.28

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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.