Home / 111,831.54-154,325.91-60,844.74

Finding the Fourth Proportional to 111,831.54, 154,325.91 and 60,844.74

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Solution

The fourth proportional to 111,831.54, 154,325.91 and 60,844.74 is: 83,964.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,831.54 : 154,325.91 = 60,844.74 : x
  2. Step 2: Convert to fraction form
    111,831.54/154,325.91 = 60,844.74/x
  3. Step 3: Cross multiply
    111,831.54x = 154,325.91 × 60,844.74
  4. Step 4: Simplify right side
    111,831.54x = 9,389,919,869.21
  5. Step 5: Solve for x
    x = 9,389,919,869.21/111,831.54
  6. Step 6: Final answer
    x = 83,964.86

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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.