Home / 111,704.10-154,087.14-70,852.65

Finding the Fourth Proportional to 111,704.10, 154,087.14 and 70,852.65

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Solution

The fourth proportional to 111,704.10, 154,087.14 and 70,852.65 is: 97,735.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,704.10 : 154,087.14 = 70,852.65 : x
  2. Step 2: Convert to fraction form
    111,704.10/154,087.14 = 70,852.65/x
  3. Step 3: Cross multiply
    111,704.10x = 154,087.14 × 70,852.65
  4. Step 4: Simplify right side
    111,704.10x = 10,917,481,723.34
  5. Step 5: Solve for x
    x = 10,917,481,723.34/111,704.10
  6. Step 6: Final answer
    x = 97,735.73

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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.