Home / 57,769.90-79,712.75-32,275.29

Finding the Fourth Proportional to 57,769.90, 79,712.75 and 32,275.29

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Solution

The fourth proportional to 57,769.90, 79,712.75 and 32,275.29 is: 44,534.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,769.90 : 79,712.75 = 32,275.29 : x
  2. Step 2: Convert to fraction form
    57,769.90/79,712.75 = 32,275.29/x
  3. Step 3: Cross multiply
    57,769.90x = 79,712.75 × 32,275.29
  4. Step 4: Simplify right side
    57,769.90x = 2,572,751,961.57
  5. Step 5: Solve for x
    x = 2,572,751,961.57/57,769.90
  6. Step 6: Final answer
    x = 44,534.47

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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.