Home / 111,922.06-154,447.77-61,617.82

Finding the Fourth Proportional to 111,922.06, 154,447.77 and 61,617.82

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Solution

The fourth proportional to 111,922.06, 154,447.77 and 61,617.82 is: 85,030.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,922.06 : 154,447.77 = 61,617.82 : x
  2. Step 2: Convert to fraction form
    111,922.06/154,447.77 = 61,617.82/x
  3. Step 3: Cross multiply
    111,922.06x = 154,447.77 × 61,617.82
  4. Step 4: Simplify right side
    111,922.06x = 9,516,734,891.26
  5. Step 5: Solve for x
    x = 9,516,734,891.26/111,922.06
  6. Step 6: Final answer
    x = 85,030.02

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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.