Home / 61,089.15-91,660.46-27,812.73

Finding the Fourth Proportional to 61,089.15, 91,660.46 and 27,812.73

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Solution

The fourth proportional to 61,089.15, 91,660.46 and 27,812.73 is: 41,731.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,089.15 : 91,660.46 = 27,812.73 : x
  2. Step 2: Convert to fraction form
    61,089.15/91,660.46 = 27,812.73/x
  3. Step 3: Cross multiply
    61,089.15x = 91,660.46 × 27,812.73
  4. Step 4: Simplify right side
    61,089.15x = 2,549,327,625.66
  5. Step 5: Solve for x
    x = 2,549,327,625.66/61,089.15
  6. Step 6: Final answer
    x = 41,731.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.