Home / 111,895.12-154,418.45-60,911.14

Finding the Fourth Proportional to 111,895.12, 154,418.45 and 60,911.14

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Solution

The fourth proportional to 111,895.12, 154,418.45 and 60,911.14 is: 84,059.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,895.12 : 154,418.45 = 60,911.14 : x
  2. Step 2: Convert to fraction form
    111,895.12/154,418.45 = 60,911.14/x
  3. Step 3: Cross multiply
    111,895.12x = 154,418.45 × 60,911.14
  4. Step 4: Simplify right side
    111,895.12x = 9,405,803,768.09
  5. Step 5: Solve for x
    x = 9,405,803,768.09/111,895.12
  6. Step 6: Final answer
    x = 84,059.11

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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.