Home / 57,109.64-85,615.25-22,073.90

Finding the Fourth Proportional to 57,109.64, 85,615.25 and 22,073.90

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Solution

The fourth proportional to 57,109.64, 85,615.25 and 22,073.90 is: 33,091.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,109.64 : 85,615.25 = 22,073.90 : x
  2. Step 2: Convert to fraction form
    57,109.64/85,615.25 = 22,073.90/x
  3. Step 3: Cross multiply
    57,109.64x = 85,615.25 × 22,073.90
  4. Step 4: Simplify right side
    57,109.64x = 1,889,861,928.53
  5. Step 5: Solve for x
    x = 1,889,861,928.53/57,109.64
  6. Step 6: Final answer
    x = 33,091.82

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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.