Home / 68,238.57-94,172.12-38,023.91

Finding the Fourth Proportional to 68,238.57, 94,172.12 and 38,023.91

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Solution

The fourth proportional to 68,238.57, 94,172.12 and 38,023.91 is: 52,474.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,238.57 : 94,172.12 = 38,023.91 : x
  2. Step 2: Convert to fraction form
    68,238.57/94,172.12 = 38,023.91/x
  3. Step 3: Cross multiply
    68,238.57x = 94,172.12 × 38,023.91
  4. Step 4: Simplify right side
    68,238.57x = 3,580,792,050.14
  5. Step 5: Solve for x
    x = 3,580,792,050.14/68,238.57
  6. Step 6: Final answer
    x = 52,474.60

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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.