Home / 69,080.90-95,307.77-38,861.42

Finding the Fourth Proportional to 69,080.90, 95,307.77 and 38,861.42

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Solution

The fourth proportional to 69,080.90, 95,307.77 and 38,861.42 is: 53,615.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,080.90 : 95,307.77 = 38,861.42 : x
  2. Step 2: Convert to fraction form
    69,080.90/95,307.77 = 38,861.42/x
  3. Step 3: Cross multiply
    69,080.90x = 95,307.77 × 38,861.42
  4. Step 4: Simplify right side
    69,080.90x = 3,703,794,899.85
  5. Step 5: Solve for x
    x = 3,703,794,899.85/69,080.90
  6. Step 6: Final answer
    x = 53,615.33

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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.