Home / 66,167.50-99,195.43-28,699.35

Finding the Fourth Proportional to 66,167.50, 99,195.43 and 28,699.35

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Solution

The fourth proportional to 66,167.50, 99,195.43 and 28,699.35 is: 43,024.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,167.50 : 99,195.43 = 28,699.35 : x
  2. Step 2: Convert to fraction form
    66,167.50/99,195.43 = 28,699.35/x
  3. Step 3: Cross multiply
    66,167.50x = 99,195.43 × 28,699.35
  4. Step 4: Simplify right side
    66,167.50x = 2,846,843,867.99
  5. Step 5: Solve for x
    x = 2,846,843,867.99/66,167.50
  6. Step 6: Final answer
    x = 43,024.81

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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.