Home / 75,478.82-104,162.91-45,269.06

Finding the Fourth Proportional to 75,478.82, 104,162.91 and 45,269.06

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Solution

The fourth proportional to 75,478.82, 104,162.91 and 45,269.06 is: 62,472.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,478.82 : 104,162.91 = 45,269.06 : x
  2. Step 2: Convert to fraction form
    75,478.82/104,162.91 = 45,269.06/x
  3. Step 3: Cross multiply
    75,478.82x = 104,162.91 × 45,269.06
  4. Step 4: Simplify right side
    75,478.82x = 4,715,357,022.56
  5. Step 5: Solve for x
    x = 4,715,357,022.56/75,478.82
  6. Step 6: Final answer
    x = 62,472.59

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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.