Home / 111,748.22-154,212.55-61,447.22

Finding the Fourth Proportional to 111,748.22, 154,212.55 and 61,447.22

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Solution

The fourth proportional to 111,748.22, 154,212.55 and 61,447.22 is: 84,797.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,748.22 : 154,212.55 = 61,447.22 : x
  2. Step 2: Convert to fraction form
    111,748.22/154,212.55 = 61,447.22/x
  3. Step 3: Cross multiply
    111,748.22x = 154,212.55 × 61,447.22
  4. Step 4: Simplify right side
    111,748.22x = 9,475,932,718.52
  5. Step 5: Solve for x
    x = 9,475,932,718.52/111,748.22
  6. Step 6: Final answer
    x = 84,797.17

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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.