Home / 66,169.90-99,199.05-28,701.76

Finding the Fourth Proportional to 66,169.90, 99,199.05 and 28,701.76

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Solution

The fourth proportional to 66,169.90, 99,199.05 and 28,701.76 is: 43,028.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,169.90 : 99,199.05 = 28,701.76 : x
  2. Step 2: Convert to fraction form
    66,169.90/99,199.05 = 28,701.76/x
  3. Step 3: Cross multiply
    66,169.90x = 99,199.05 × 28,701.76
  4. Step 4: Simplify right side
    66,169.90x = 2,847,187,181.82
  5. Step 5: Solve for x
    x = 2,847,187,181.82/66,169.90
  6. Step 6: Final answer
    x = 43,028.44

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1.5x scale

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.