Home / 111,606.54-154,016.55-61,304.46

Finding the Fourth Proportional to 111,606.54, 154,016.55 and 61,304.46

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Solution

The fourth proportional to 111,606.54, 154,016.55 and 61,304.46 is: 84,599.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,606.54 : 154,016.55 = 61,304.46 : x
  2. Step 2: Convert to fraction form
    111,606.54/154,016.55 = 61,304.46/x
  3. Step 3: Cross multiply
    111,606.54x = 154,016.55 × 61,304.46
  4. Step 4: Simplify right side
    111,606.54x = 9,441,901,428.81
  5. Step 5: Solve for x
    x = 9,441,901,428.81/111,606.54
  6. Step 6: Final answer
    x = 84,599.89

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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.