Home / 57,318.64-85,973.88-15,197.78

Finding the Fourth Proportional to 57,318.64, 85,973.88 and 15,197.78

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Solution

The fourth proportional to 57,318.64, 85,973.88 and 15,197.78 is: 22,795.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,318.64 : 85,973.88 = 15,197.78 : x
  2. Step 2: Convert to fraction form
    57,318.64/85,973.88 = 15,197.78/x
  3. Step 3: Cross multiply
    57,318.64x = 85,973.88 × 15,197.78
  4. Step 4: Simplify right side
    57,318.64x = 1,306,612,113.99
  5. Step 5: Solve for x
    x = 1,306,612,113.99/57,318.64
  6. Step 6: Final answer
    x = 22,795.59

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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.