Home / 112,150.98-154,768.49-61,163.79

Finding the Fourth Proportional to 112,150.98, 154,768.49 and 61,163.79

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Solution

The fourth proportional to 112,150.98, 154,768.49 and 61,163.79 is: 84,406.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,150.98 : 154,768.49 = 61,163.79 : x
  2. Step 2: Convert to fraction form
    112,150.98/154,768.49 = 61,163.79/x
  3. Step 3: Cross multiply
    112,150.98x = 154,768.49 × 61,163.79
  4. Step 4: Simplify right side
    112,150.98x = 9,466,227,115.16
  5. Step 5: Solve for x
    x = 9,466,227,115.16/112,150.98
  6. Step 6: Final answer
    x = 84,406.10

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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.