Home / 84,625.99-126,939-43,102.15

Finding the Fourth Proportional to 84,625.99, 126,939 and 43,102.15

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Solution

The fourth proportional to 84,625.99, 126,939 and 43,102.15 is: 64,653.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,625.99 : 126,939 = 43,102.15 : x
  2. Step 2: Convert to fraction form
    84,625.99/126,939 = 43,102.15/x
  3. Step 3: Cross multiply
    84,625.99x = 126,939 × 43,102.15
  4. Step 4: Simplify right side
    84,625.99x = 5,471,343,818.85
  5. Step 5: Solve for x
    x = 5,471,343,818.85/84,625.99
  6. Step 6: Final answer
    x = 64,653.23

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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.