Home / 61,118.82-91,607.28-23,143.94

Finding the Fourth Proportional to 61,118.82, 91,607.28 and 23,143.94

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Solution

The fourth proportional to 61,118.82, 91,607.28 and 23,143.94 is: 34,689.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,118.82 : 91,607.28 = 23,143.94 : x
  2. Step 2: Convert to fraction form
    61,118.82/91,607.28 = 23,143.94/x
  3. Step 3: Cross multiply
    61,118.82x = 91,607.28 × 23,143.94
  4. Step 4: Simplify right side
    61,118.82x = 2,120,153,620.90
  5. Step 5: Solve for x
    x = 2,120,153,620.90/61,118.82
  6. Step 6: Final answer
    x = 34,689.05

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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.