Home / 71,771.42-99,040.35-41,554.59

Finding the Fourth Proportional to 71,771.42, 99,040.35 and 41,554.59

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Solution

The fourth proportional to 71,771.42, 99,040.35 and 41,554.59 is: 57,342.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,771.42 : 99,040.35 = 41,554.59 : x
  2. Step 2: Convert to fraction form
    71,771.42/99,040.35 = 41,554.59/x
  3. Step 3: Cross multiply
    71,771.42x = 99,040.35 × 41,554.59
  4. Step 4: Simplify right side
    71,771.42x = 4,115,581,407.17
  5. Step 5: Solve for x
    x = 4,115,581,407.17/71,771.42
  6. Step 6: Final answer
    x = 57,342.90

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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.