Home / 51,389.66-77,073.54-16,321.11

Finding the Fourth Proportional to 51,389.66, 77,073.54 and 16,321.11

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Solution

The fourth proportional to 51,389.66, 77,073.54 and 16,321.11 is: 24,478.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,389.66 : 77,073.54 = 16,321.11 : x
  2. Step 2: Convert to fraction form
    51,389.66/77,073.54 = 16,321.11/x
  3. Step 3: Cross multiply
    51,389.66x = 77,073.54 × 16,321.11
  4. Step 4: Simplify right side
    51,389.66x = 1,257,925,724.43
  5. Step 5: Solve for x
    x = 1,257,925,724.43/51,389.66
  6. Step 6: Final answer
    x = 24,478.19

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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.