Home / 111,734.96-154,201.80-61,433.84

Finding the Fourth Proportional to 111,734.96, 154,201.80 and 61,433.84

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Solution

The fourth proportional to 111,734.96, 154,201.80 and 61,433.84 is: 84,782.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,734.96 : 154,201.80 = 61,433.84 : x
  2. Step 2: Convert to fraction form
    111,734.96/154,201.80 = 61,433.84/x
  3. Step 3: Cross multiply
    111,734.96x = 154,201.80 × 61,433.84
  4. Step 4: Simplify right side
    111,734.96x = 9,473,208,708.91
  5. Step 5: Solve for x
    x = 9,473,208,708.91/111,734.96
  6. Step 6: Final answer
    x = 84,782.85

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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.