Home / 69,905.27-96,473.66-39,679.08

Finding the Fourth Proportional to 69,905.27, 96,473.66 and 39,679.08

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Solution

The fourth proportional to 69,905.27, 96,473.66 and 39,679.08 is: 54,759.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,905.27 : 96,473.66 = 39,679.08 : x
  2. Step 2: Convert to fraction form
    69,905.27/96,473.66 = 39,679.08/x
  3. Step 3: Cross multiply
    69,905.27x = 96,473.66 × 39,679.08
  4. Step 4: Simplify right side
    69,905.27x = 3,827,985,874.64
  5. Step 5: Solve for x
    x = 3,827,985,874.64/69,905.27
  6. Step 6: Final answer
    x = 54,759.62

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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.