Home / 66,486.41-99,727.79-22,114.00

Finding the Fourth Proportional to 66,486.41, 99,727.79 and 22,114.00

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Solution

The fourth proportional to 66,486.41, 99,727.79 and 22,114.00 is: 33,170.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,486.41 : 99,727.79 = 22,114.00 : x
  2. Step 2: Convert to fraction form
    66,486.41/99,727.79 = 22,114.00/x
  3. Step 3: Cross multiply
    66,486.41x = 99,727.79 × 22,114.00
  4. Step 4: Simplify right side
    66,486.41x = 2,205,379,988.17
  5. Step 5: Solve for x
    x = 2,205,379,988.17/66,486.41
  6. Step 6: Final answer
    x = 33,170.39

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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.