Home / 57,012.41-85,425.12-40,290.77

Finding the Fourth Proportional to 57,012.41, 85,425.12 and 40,290.77

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Solution

The fourth proportional to 57,012.41, 85,425.12 and 40,290.77 is: 60,370.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,012.41 : 85,425.12 = 40,290.77 : x
  2. Step 2: Convert to fraction form
    57,012.41/85,425.12 = 40,290.77/x
  3. Step 3: Cross multiply
    57,012.41x = 85,425.12 × 40,290.77
  4. Step 4: Simplify right side
    57,012.41x = 3,441,843,862.14
  5. Step 5: Solve for x
    x = 3,441,843,862.14/57,012.41
  6. Step 6: Final answer
    x = 60,370.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.