Home / 69,504.46-103,362.55-67,290.12

Finding the Fourth Proportional to 69,504.46, 103,362.55 and 67,290.12

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Solution

The fourth proportional to 69,504.46, 103,362.55 and 67,290.12 is: 100,069.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,504.46 : 103,362.55 = 67,290.12 : x
  2. Step 2: Convert to fraction form
    69,504.46/103,362.55 = 67,290.12/x
  3. Step 3: Cross multiply
    69,504.46x = 103,362.55 × 67,290.12
  4. Step 4: Simplify right side
    69,504.46x = 6,955,278,224.78
  5. Step 5: Solve for x
    x = 6,955,278,224.78/69,504.46
  6. Step 6: Final answer
    x = 100,069.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.