Home / 87,519.32-120,813.24-59,241.42

Finding the Fourth Proportional to 87,519.32, 120,813.24 and 59,241.42

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Solution

The fourth proportional to 87,519.32, 120,813.24 and 59,241.42 is: 81,777.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,519.32 : 120,813.24 = 59,241.42 : x
  2. Step 2: Convert to fraction form
    87,519.32/120,813.24 = 59,241.42/x
  3. Step 3: Cross multiply
    87,519.32x = 120,813.24 × 59,241.42
  4. Step 4: Simplify right side
    87,519.32x = 7,157,147,892.40
  5. Step 5: Solve for x
    x = 7,157,147,892.40/87,519.32
  6. Step 6: Final answer
    x = 81,777.92

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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.