Home / 57,072.12-78,791.19-34,416.84

Finding the Fourth Proportional to 57,072.12, 78,791.19 and 34,416.84

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Solution

The fourth proportional to 57,072.12, 78,791.19 and 34,416.84 is: 47,514.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,072.12 : 78,791.19 = 34,416.84 : x
  2. Step 2: Convert to fraction form
    57,072.12/78,791.19 = 34,416.84/x
  3. Step 3: Cross multiply
    57,072.12x = 78,791.19 × 34,416.84
  4. Step 4: Simplify right side
    57,072.12x = 2,711,744,204.17
  5. Step 5: Solve for x
    x = 2,711,744,204.17/57,072.12
  6. Step 6: Final answer
    x = 47,514.34

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1.5x scale

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.