Home / 101,831.22-152,685.42-45,661.14

Finding the Fourth Proportional to 101,831.22, 152,685.42 and 45,661.14

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Solution

The fourth proportional to 101,831.22, 152,685.42 and 45,661.14 is: 68,464.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,831.22 : 152,685.42 = 45,661.14 : x
  2. Step 2: Convert to fraction form
    101,831.22/152,685.42 = 45,661.14/x
  3. Step 3: Cross multiply
    101,831.22x = 152,685.42 × 45,661.14
  4. Step 4: Simplify right side
    101,831.22x = 6,971,790,338.58
  5. Step 5: Solve for x
    x = 6,971,790,338.58/101,831.22
  6. Step 6: Final answer
    x = 68,464.17

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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.