Home / 111,943.60-154,481.93-60,955.54

Finding the Fourth Proportional to 111,943.60, 154,481.93 and 60,955.54

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Solution

The fourth proportional to 111,943.60, 154,481.93 and 60,955.54 is: 84,118.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,943.60 : 154,481.93 = 60,955.54 : x
  2. Step 2: Convert to fraction form
    111,943.60/154,481.93 = 60,955.54/x
  3. Step 3: Cross multiply
    111,943.60x = 154,481.93 × 60,955.54
  4. Step 4: Simplify right side
    111,943.60x = 9,416,529,158.61
  5. Step 5: Solve for x
    x = 9,416,529,158.61/111,943.60
  6. Step 6: Final answer
    x = 84,118.51

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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.