Home / 57,988.46-80,022.74-34,109.90

Finding the Fourth Proportional to 57,988.46, 80,022.74 and 34,109.90

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Solution

The fourth proportional to 57,988.46, 80,022.74 and 34,109.90 is: 47,070.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,988.46 : 80,022.74 = 34,109.90 : x
  2. Step 2: Convert to fraction form
    57,988.46/80,022.74 = 34,109.90/x
  3. Step 3: Cross multiply
    57,988.46x = 80,022.74 × 34,109.90
  4. Step 4: Simplify right side
    57,988.46x = 2,729,567,659.13
  5. Step 5: Solve for x
    x = 2,729,567,659.13/57,988.46
  6. Step 6: Final answer
    x = 47,070.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.