Home / 69,400.95-95,778.98-39,193.62

Finding the Fourth Proportional to 69,400.95, 95,778.98 and 39,193.62

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Solution

The fourth proportional to 69,400.95, 95,778.98 and 39,193.62 is: 54,090.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,400.95 : 95,778.98 = 39,193.62 : x
  2. Step 2: Convert to fraction form
    69,400.95/95,778.98 = 39,193.62/x
  3. Step 3: Cross multiply
    69,400.95x = 95,778.98 × 39,193.62
  4. Step 4: Simplify right side
    69,400.95x = 3,753,924,750.14
  5. Step 5: Solve for x
    x = 3,753,924,750.14/69,400.95
  6. Step 6: Final answer
    x = 54,090.39

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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.