Home / 69,723.72-96,218.40-39,508.92

Finding the Fourth Proportional to 69,723.72, 96,218.40 and 39,508.92

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Solution

The fourth proportional to 69,723.72, 96,218.40 and 39,508.92 is: 54,522.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,723.72 : 96,218.40 = 39,508.92 : x
  2. Step 2: Convert to fraction form
    69,723.72/96,218.40 = 39,508.92/x
  3. Step 3: Cross multiply
    69,723.72x = 96,218.40 × 39,508.92
  4. Step 4: Simplify right side
    69,723.72x = 3,801,485,068.13
  5. Step 5: Solve for x
    x = 3,801,485,068.13/69,723.72
  6. Step 6: Final answer
    x = 54,522.12

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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.