Home / 111,911.90-154,441.78-60,927.96

Finding the Fourth Proportional to 111,911.90, 154,441.78 and 60,927.96

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Solution

The fourth proportional to 111,911.90, 154,441.78 and 60,927.96 is: 84,082.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,911.90 : 154,441.78 = 60,927.96 : x
  2. Step 2: Convert to fraction form
    111,911.90/154,441.78 = 60,927.96/x
  3. Step 3: Cross multiply
    111,911.90x = 154,441.78 × 60,927.96
  4. Step 4: Simplify right side
    111,911.90x = 9,409,822,594.17
  5. Step 5: Solve for x
    x = 9,409,822,594.17/111,911.90
  6. Step 6: Final answer
    x = 84,082.41

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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.