Home / 57,215.97-85,788.42-23,895.20

Finding the Fourth Proportional to 57,215.97, 85,788.42 and 23,895.20

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Solution

The fourth proportional to 57,215.97, 85,788.42 and 23,895.20 is: 35,827.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,215.97 : 85,788.42 = 23,895.20 : x
  2. Step 2: Convert to fraction form
    57,215.97/85,788.42 = 23,895.20/x
  3. Step 3: Cross multiply
    57,215.97x = 85,788.42 × 23,895.20
  4. Step 4: Simplify right side
    57,215.97x = 2,049,931,578.45
  5. Step 5: Solve for x
    x = 2,049,931,578.45/57,215.97
  6. Step 6: Final answer
    x = 35,827.96

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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.