Home / 66,207.36-99,314.06-21,837.98

Finding the Fourth Proportional to 66,207.36, 99,314.06 and 21,837.98

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Solution

The fourth proportional to 66,207.36, 99,314.06 and 21,837.98 is: 32,757.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,207.36 : 99,314.06 = 21,837.98 : x
  2. Step 2: Convert to fraction form
    66,207.36/99,314.06 = 21,837.98/x
  3. Step 3: Cross multiply
    66,207.36x = 99,314.06 × 21,837.98
  4. Step 4: Simplify right side
    66,207.36x = 2,168,818,456.00
  5. Step 5: Solve for x
    x = 2,168,818,456.00/66,207.36
  6. Step 6: Final answer
    x = 32,757.97

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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.