Home / 111,895.58-154,419.14-60,911.62

Finding the Fourth Proportional to 111,895.58, 154,419.14 and 60,911.62

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Solution

The fourth proportional to 111,895.58, 154,419.14 and 60,911.62 is: 84,059.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,895.58 : 154,419.14 = 60,911.62 : x
  2. Step 2: Convert to fraction form
    111,895.58/154,419.14 = 60,911.62/x
  3. Step 3: Cross multiply
    111,895.58x = 154,419.14 × 60,911.62
  4. Step 4: Simplify right side
    111,895.58x = 9,405,919,976.41
  5. Step 5: Solve for x
    x = 9,405,919,976.41/111,895.58
  6. Step 6: Final answer
    x = 84,059.80

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1.5x scale

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.