Home / 83,350.09-115,022.21-45,108.82

Finding the Fourth Proportional to 83,350.09, 115,022.21 and 45,108.82

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Solution

The fourth proportional to 83,350.09, 115,022.21 and 45,108.82 is: 62,249.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,350.09 : 115,022.21 = 45,108.82 : x
  2. Step 2: Convert to fraction form
    83,350.09/115,022.21 = 45,108.82/x
  3. Step 3: Cross multiply
    83,350.09x = 115,022.21 × 45,108.82
  4. Step 4: Simplify right side
    83,350.09x = 5,188,515,653.79
  5. Step 5: Solve for x
    x = 5,188,515,653.79/83,350.09
  6. Step 6: Final answer
    x = 62,249.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.