Home / 51,561.66-77,342.55-14,122.05

Finding the Fourth Proportional to 51,561.66, 77,342.55 and 14,122.05

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Solution

The fourth proportional to 51,561.66, 77,342.55 and 14,122.05 is: 21,183.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,561.66 : 77,342.55 = 14,122.05 : x
  2. Step 2: Convert to fraction form
    51,561.66/77,342.55 = 14,122.05/x
  3. Step 3: Cross multiply
    51,561.66x = 77,342.55 × 14,122.05
  4. Step 4: Simplify right side
    51,561.66x = 1,092,235,015.24
  5. Step 5: Solve for x
    x = 1,092,235,015.24/51,561.66
  6. Step 6: Final answer
    x = 21,183.08

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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.