Home / 66,203.64-99,305.43-19,456.50

Finding the Fourth Proportional to 66,203.64, 99,305.43 and 19,456.50

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Solution

The fourth proportional to 66,203.64, 99,305.43 and 19,456.50 is: 29,184.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,203.64 : 99,305.43 = 19,456.50 : x
  2. Step 2: Convert to fraction form
    66,203.64/99,305.43 = 19,456.50/x
  3. Step 3: Cross multiply
    66,203.64x = 99,305.43 × 19,456.50
  4. Step 4: Simplify right side
    66,203.64x = 1,932,136,098.80
  5. Step 5: Solve for x
    x = 1,932,136,098.80/66,203.64
  6. Step 6: Final answer
    x = 29,184.74

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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.