Home / 97,724.75-146,339.03-81,888.14

Finding the Fourth Proportional to 97,724.75, 146,339.03 and 81,888.14

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Solution

The fourth proportional to 97,724.75, 146,339.03 and 81,888.14 is: 122,624.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,724.75 : 146,339.03 = 81,888.14 : x
  2. Step 2: Convert to fraction form
    97,724.75/146,339.03 = 81,888.14/x
  3. Step 3: Cross multiply
    97,724.75x = 146,339.03 × 81,888.14
  4. Step 4: Simplify right side
    97,724.75x = 11,983,429,834.97
  5. Step 5: Solve for x
    x = 11,983,429,834.97/97,724.75
  6. Step 6: Final answer
    x = 122,624.31

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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.