Home / 111,962.49-154,498.89-66,014.83

Finding the Fourth Proportional to 111,962.49, 154,498.89 and 66,014.83

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Solution

The fourth proportional to 111,962.49, 154,498.89 and 66,014.83 is: 91,094.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,962.49 : 154,498.89 = 66,014.83 : x
  2. Step 2: Convert to fraction form
    111,962.49/154,498.89 = 66,014.83/x
  3. Step 3: Cross multiply
    111,962.49x = 154,498.89 × 66,014.83
  4. Step 4: Simplify right side
    111,962.49x = 10,199,217,958.54
  5. Step 5: Solve for x
    x = 10,199,217,958.54/111,962.49
  6. Step 6: Final answer
    x = 91,094.95

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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.