Home / 111,107.07-153,326.88-60,119.73

Finding the Fourth Proportional to 111,107.07, 153,326.88 and 60,119.73

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Solution

The fourth proportional to 111,107.07, 153,326.88 and 60,119.73 is: 82,964.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,107.07 : 153,326.88 = 60,119.73 : x
  2. Step 2: Convert to fraction form
    111,107.07/153,326.88 = 60,119.73/x
  3. Step 3: Cross multiply
    111,107.07x = 153,326.88 × 60,119.73
  4. Step 4: Simplify right side
    111,107.07x = 9,217,970,627.34
  5. Step 5: Solve for x
    x = 9,217,970,627.34/111,107.07
  6. Step 6: Final answer
    x = 82,964.75

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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.