Home / 61,732.45-92,633-30,142.92

Finding the Fourth Proportional to 61,732.45, 92,633 and 30,142.92

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Solution

The fourth proportional to 61,732.45, 92,633 and 30,142.92 is: 45,231.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,732.45 : 92,633 = 30,142.92 : x
  2. Step 2: Convert to fraction form
    61,732.45/92,633 = 30,142.92/x
  3. Step 3: Cross multiply
    61,732.45x = 92,633 × 30,142.92
  4. Step 4: Simplify right side
    61,732.45x = 2,792,229,108.36
  5. Step 5: Solve for x
    x = 2,792,229,108.36/61,732.45
  6. Step 6: Final answer
    x = 45,231.14

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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.