Home / 111,895.96-154,419.91-60,912.09

Finding the Fourth Proportional to 111,895.96, 154,419.91 and 60,912.09

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Solution

The fourth proportional to 111,895.96, 154,419.91 and 60,912.09 is: 84,060.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,895.96 : 154,419.91 = 60,912.09 : x
  2. Step 2: Convert to fraction form
    111,895.96/154,419.91 = 60,912.09/x
  3. Step 3: Cross multiply
    111,895.96x = 154,419.91 × 60,912.09
  4. Step 4: Simplify right side
    111,895.96x = 9,406,038,724.36
  5. Step 5: Solve for x
    x = 9,406,038,724.36/111,895.96
  6. Step 6: Final answer
    x = 84,060.57

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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.