Home / 111,742.24-154,204.29-61,441.24

Finding the Fourth Proportional to 111,742.24, 154,204.29 and 61,441.24

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Solution

The fourth proportional to 111,742.24, 154,204.29 and 61,441.24 is: 84,788.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,742.24 : 154,204.29 = 61,441.24 : x
  2. Step 2: Convert to fraction form
    111,742.24/154,204.29 = 61,441.24/x
  3. Step 3: Cross multiply
    111,742.24x = 154,204.29 × 61,441.24
  4. Step 4: Simplify right side
    111,742.24x = 9,474,502,790.92
  5. Step 5: Solve for x
    x = 9,474,502,790.92/111,742.24
  6. Step 6: Final answer
    x = 84,788.91

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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.