Home / 71,528.72-98,727.56-41,331.57

Finding the Fourth Proportional to 71,528.72, 98,727.56 and 41,331.57

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Solution

The fourth proportional to 71,528.72, 98,727.56 and 41,331.57 is: 57,047.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,528.72 : 98,727.56 = 41,331.57 : x
  2. Step 2: Convert to fraction form
    71,528.72/98,727.56 = 41,331.57/x
  3. Step 3: Cross multiply
    71,528.72x = 98,727.56 × 41,331.57
  4. Step 4: Simplify right side
    71,528.72x = 4,080,564,850.41
  5. Step 5: Solve for x
    x = 4,080,564,850.41/71,528.72
  6. Step 6: Final answer
    x = 57,047.93

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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.