Home / 111,795.30-154,280.97-60,811.74

Finding the Fourth Proportional to 111,795.30, 154,280.97 and 60,811.74

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Solution

The fourth proportional to 111,795.30, 154,280.97 and 60,811.74 is: 83,922.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,795.30 : 154,280.97 = 60,811.74 : x
  2. Step 2: Convert to fraction form
    111,795.30/154,280.97 = 60,811.74/x
  3. Step 3: Cross multiply
    111,795.30x = 154,280.97 × 60,811.74
  4. Step 4: Simplify right side
    111,795.30x = 9,382,094,234.59
  5. Step 5: Solve for x
    x = 9,382,094,234.59/111,795.30
  6. Step 6: Final answer
    x = 83,922.08

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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.