Home / 51,380.16-77,066.19-16,320.12

Finding the Fourth Proportional to 51,380.16, 77,066.19 and 16,320.12

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Solution

The fourth proportional to 51,380.16, 77,066.19 and 16,320.12 is: 24,478.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,380.16 : 77,066.19 = 16,320.12 : x
  2. Step 2: Convert to fraction form
    51,380.16/77,066.19 = 16,320.12/x
  3. Step 3: Cross multiply
    51,380.16x = 77,066.19 × 16,320.12
  4. Step 4: Simplify right side
    51,380.16x = 1,257,729,468.74
  5. Step 5: Solve for x
    x = 1,257,729,468.74/51,380.16
  6. Step 6: Final answer
    x = 24,478.89

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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.