Home / 101,831.65-152,747.46-31,716.43

Finding the Fourth Proportional to 101,831.65, 152,747.46 and 31,716.43

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Solution

The fourth proportional to 101,831.65, 152,747.46 and 31,716.43 is: 47,574.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,831.65 : 152,747.46 = 31,716.43 : x
  2. Step 2: Convert to fraction form
    101,831.65/152,747.46 = 31,716.43/x
  3. Step 3: Cross multiply
    101,831.65x = 152,747.46 × 31,716.43
  4. Step 4: Simplify right side
    101,831.65x = 4,844,603,740.90
  5. Step 5: Solve for x
    x = 4,844,603,740.90/101,831.65
  6. Step 6: Final answer
    x = 47,574.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.