Home / 69,499.20-95,903.12-39,282.96

Finding the Fourth Proportional to 69,499.20, 95,903.12 and 39,282.96

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Solution

The fourth proportional to 69,499.20, 95,903.12 and 39,282.96 is: 54,207.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,499.20 : 95,903.12 = 39,282.96 : x
  2. Step 2: Convert to fraction form
    69,499.20/95,903.12 = 39,282.96/x
  3. Step 3: Cross multiply
    69,499.20x = 95,903.12 × 39,282.96
  4. Step 4: Simplify right side
    69,499.20x = 3,767,358,426.84
  5. Step 5: Solve for x
    x = 3,767,358,426.84/69,499.20
  6. Step 6: Final answer
    x = 54,207.22

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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.