Home / 111,048.68-153,247.38-60,747.68

Finding the Fourth Proportional to 111,048.68, 153,247.38 and 60,747.68

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Solution

The fourth proportional to 111,048.68, 153,247.38 and 60,747.68 is: 83,831.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,048.68 : 153,247.38 = 60,747.68 : x
  2. Step 2: Convert to fraction form
    111,048.68/153,247.38 = 60,747.68/x
  3. Step 3: Cross multiply
    111,048.68x = 153,247.38 × 60,747.68
  4. Step 4: Simplify right side
    111,048.68x = 9,309,422,801.08
  5. Step 5: Solve for x
    x = 9,309,422,801.08/111,048.68
  6. Step 6: Final answer
    x = 83,831.91

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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.