Home / 90,471.11-124,849.67-50,184.45

Finding the Fourth Proportional to 90,471.11, 124,849.67 and 50,184.45

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Solution

The fourth proportional to 90,471.11, 124,849.67 and 50,184.45 is: 69,254.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,471.11 : 124,849.67 = 50,184.45 : x
  2. Step 2: Convert to fraction form
    90,471.11/124,849.67 = 50,184.45/x
  3. Step 3: Cross multiply
    90,471.11x = 124,849.67 × 50,184.45
  4. Step 4: Simplify right side
    90,471.11x = 6,265,511,770.71
  5. Step 5: Solve for x
    x = 6,265,511,770.71/90,471.11
  6. Step 6: Final answer
    x = 69,254.29

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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.