Home / 111,132.36-153,367.02-60,831.36

Finding the Fourth Proportional to 111,132.36, 153,367.02 and 60,831.36

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Solution

The fourth proportional to 111,132.36, 153,367.02 and 60,831.36 is: 83,949.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,132.36 : 153,367.02 = 60,831.36 : x
  2. Step 2: Convert to fraction form
    111,132.36/153,367.02 = 60,831.36/x
  3. Step 3: Cross multiply
    111,132.36x = 153,367.02 × 60,831.36
  4. Step 4: Simplify right side
    111,132.36x = 9,329,524,405.75
  5. Step 5: Solve for x
    x = 9,329,524,405.75/111,132.36
  6. Step 6: Final answer
    x = 83,949.67

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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.