Home / 45,331.02-67,919.76-27,764.15

Finding the Fourth Proportional to 45,331.02, 67,919.76 and 27,764.15

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Solution

The fourth proportional to 45,331.02, 67,919.76 and 27,764.15 is: 41,599.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,331.02 : 67,919.76 = 27,764.15 : x
  2. Step 2: Convert to fraction form
    45,331.02/67,919.76 = 27,764.15/x
  3. Step 3: Cross multiply
    45,331.02x = 67,919.76 × 27,764.15
  4. Step 4: Simplify right side
    45,331.02x = 1,885,734,065.01
  5. Step 5: Solve for x
    x = 1,885,734,065.01/45,331.02
  6. Step 6: Final answer
    x = 41,599.20

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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.