Home / 111,867.96-154,377.78-61,566.96

Finding the Fourth Proportional to 111,867.96, 154,377.78 and 61,566.96

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Solution

The fourth proportional to 111,867.96, 154,377.78 and 61,566.96 is: 84,962.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,867.96 : 154,377.78 = 61,566.96 : x
  2. Step 2: Convert to fraction form
    111,867.96/154,377.78 = 61,566.96/x
  3. Step 3: Cross multiply
    111,867.96x = 154,377.78 × 61,566.96
  4. Step 4: Simplify right side
    111,867.96x = 9,504,570,606.15
  5. Step 5: Solve for x
    x = 9,504,570,606.15/111,867.96
  6. Step 6: Final answer
    x = 84,962.40

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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.