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Finding the Fourth Proportional to 69,065.88, 103,583.46 and 26,947.08

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Solution

The fourth proportional to 69,065.88, 103,583.46 and 26,947.08 is: 40,414.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,065.88 : 103,583.46 = 26,947.08 : x
  2. Step 2: Convert to fraction form
    69,065.88/103,583.46 = 26,947.08/x
  3. Step 3: Cross multiply
    69,065.88x = 103,583.46 × 26,947.08
  4. Step 4: Simplify right side
    69,065.88x = 2,791,271,783.30
  5. Step 5: Solve for x
    x = 2,791,271,783.30/69,065.88
  6. Step 6: Final answer
    x = 40,414.63

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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.