Home / 66,181.50-99,272.25-16,933.50

Finding the Fourth Proportional to 66,181.50, 99,272.25 and 16,933.50

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Solution

The fourth proportional to 66,181.50, 99,272.25 and 16,933.50 is: 25,400.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,181.50 : 99,272.25 = 16,933.50 : x
  2. Step 2: Convert to fraction form
    66,181.50/99,272.25 = 16,933.50/x
  3. Step 3: Cross multiply
    66,181.50x = 99,272.25 × 16,933.50
  4. Step 4: Simplify right side
    66,181.50x = 1,681,026,645.38
  5. Step 5: Solve for x
    x = 1,681,026,645.38/66,181.50
  6. Step 6: Final answer
    x = 25,400.25

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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.