Home / 79,496.50-109,595.53-63,418.36

Finding the Fourth Proportional to 79,496.50, 109,595.53 and 63,418.36

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Solution

The fourth proportional to 79,496.50, 109,595.53 and 63,418.36 is: 87,429.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,496.50 : 109,595.53 = 63,418.36 : x
  2. Step 2: Convert to fraction form
    79,496.50/109,595.53 = 63,418.36/x
  3. Step 3: Cross multiply
    79,496.50x = 109,595.53 × 63,418.36
  4. Step 4: Simplify right side
    79,496.50x = 6,950,368,775.93
  5. Step 5: Solve for x
    x = 6,950,368,775.93/79,496.50
  6. Step 6: Final answer
    x = 87,429.87

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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.