Home / 61,222.11-91,822.41-16,838.16

Finding the Fourth Proportional to 61,222.11, 91,822.41 and 16,838.16

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Solution

The fourth proportional to 61,222.11, 91,822.41 and 16,838.16 is: 25,254.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,222.11 : 91,822.41 = 16,838.16 : x
  2. Step 2: Convert to fraction form
    61,222.11/91,822.41 = 16,838.16/x
  3. Step 3: Cross multiply
    61,222.11x = 91,822.41 × 16,838.16
  4. Step 4: Simplify right side
    61,222.11x = 1,546,120,431.17
  5. Step 5: Solve for x
    x = 1,546,120,431.17/61,222.11
  6. Step 6: Final answer
    x = 25,254.28

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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.