Home / 69,120.20-103,635.66-37,947.08

Finding the Fourth Proportional to 69,120.20, 103,635.66 and 37,947.08

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Solution

The fourth proportional to 69,120.20, 103,635.66 and 37,947.08 is: 56,896.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,120.20 : 103,635.66 = 37,947.08 : x
  2. Step 2: Convert to fraction form
    69,120.20/103,635.66 = 37,947.08/x
  3. Step 3: Cross multiply
    69,120.20x = 103,635.66 × 37,947.08
  4. Step 4: Simplify right side
    69,120.20x = 3,932,670,680.87
  5. Step 5: Solve for x
    x = 3,932,670,680.87/69,120.20
  6. Step 6: Final answer
    x = 56,896.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.