Home / 111,914.80-154,438.66-60,926.57

Finding the Fourth Proportional to 111,914.80, 154,438.66 and 60,926.57

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Solution

The fourth proportional to 111,914.80, 154,438.66 and 60,926.57 is: 84,076.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,914.80 : 154,438.66 = 60,926.57 : x
  2. Step 2: Convert to fraction form
    111,914.80/154,438.66 = 60,926.57/x
  3. Step 3: Cross multiply
    111,914.80x = 154,438.66 × 60,926.57
  4. Step 4: Simplify right side
    111,914.80x = 9,409,417,829.20
  5. Step 5: Solve for x
    x = 9,409,417,829.20/111,914.80
  6. Step 6: Final answer
    x = 84,076.62

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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.