Home / 99,016.92-148,466.04-31,519.80

Finding the Fourth Proportional to 99,016.92, 148,466.04 and 31,519.80

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Solution

The fourth proportional to 99,016.92, 148,466.04 and 31,519.80 is: 47,260.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,016.92 : 148,466.04 = 31,519.80 : x
  2. Step 2: Convert to fraction form
    99,016.92/148,466.04 = 31,519.80/x
  3. Step 3: Cross multiply
    99,016.92x = 148,466.04 × 31,519.80
  4. Step 4: Simplify right side
    99,016.92x = 4,679,619,887.59
  5. Step 5: Solve for x
    x = 4,679,619,887.59/99,016.92
  6. Step 6: Final answer
    x = 47,260.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.