Home / 111,473.61-153,831.09-60,486.42

Finding the Fourth Proportional to 111,473.61, 153,831.09 and 60,486.42

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Solution

The fourth proportional to 111,473.61, 153,831.09 and 60,486.42 is: 83,469.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,473.61 : 153,831.09 = 60,486.42 : x
  2. Step 2: Convert to fraction form
    111,473.61/153,831.09 = 60,486.42/x
  3. Step 3: Cross multiply
    111,473.61x = 153,831.09 × 60,486.42
  4. Step 4: Simplify right side
    111,473.61x = 9,304,691,918.80
  5. Step 5: Solve for x
    x = 9,304,691,918.80/111,473.61
  6. Step 6: Final answer
    x = 83,469.91

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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.