Home / 111,656.97-154,096.07-61,366.41

Finding the Fourth Proportional to 111,656.97, 154,096.07 and 61,366.41

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Solution

The fourth proportional to 111,656.97, 154,096.07 and 61,366.41 is: 84,690.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,656.97 : 154,096.07 = 61,366.41 : x
  2. Step 2: Convert to fraction form
    111,656.97/154,096.07 = 61,366.41/x
  3. Step 3: Cross multiply
    111,656.97x = 154,096.07 × 61,366.41
  4. Step 4: Simplify right side
    111,656.97x = 9,456,322,304.18
  5. Step 5: Solve for x
    x = 9,456,322,304.18/111,656.97
  6. Step 6: Final answer
    x = 84,690.84

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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.