Home / 111,722.46-154,154.94-62,665.66

Finding the Fourth Proportional to 111,722.46, 154,154.94 and 62,665.66

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Solution

The fourth proportional to 111,722.46, 154,154.94 and 62,665.66 is: 86,466.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,722.46 : 154,154.94 = 62,665.66 : x
  2. Step 2: Convert to fraction form
    111,722.46/154,154.94 = 62,665.66/x
  3. Step 3: Cross multiply
    111,722.46x = 154,154.94 × 62,665.66
  4. Step 4: Simplify right side
    111,722.46x = 9,660,221,057.36
  5. Step 5: Solve for x
    x = 9,660,221,057.36/111,722.46
  6. Step 6: Final answer
    x = 86,466.24

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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.