Home / 61,162.41-91,757.43-21,719.55

Finding the Fourth Proportional to 61,162.41, 91,757.43 and 21,719.55

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Solution

The fourth proportional to 61,162.41, 91,757.43 and 21,719.55 is: 32,584.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,162.41 : 91,757.43 = 21,719.55 : x
  2. Step 2: Convert to fraction form
    61,162.41/91,757.43 = 21,719.55/x
  3. Step 3: Cross multiply
    61,162.41x = 91,757.43 × 21,719.55
  4. Step 4: Simplify right side
    61,162.41x = 1,992,930,088.76
  5. Step 5: Solve for x
    x = 1,992,930,088.76/61,162.41
  6. Step 6: Final answer
    x = 32,584.23

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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.