Home / 79,297.64-109,400.70-50,618.36

Finding the Fourth Proportional to 79,297.64, 109,400.70 and 50,618.36

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Solution

The fourth proportional to 79,297.64, 109,400.70 and 50,618.36 is: 69,834.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,297.64 : 109,400.70 = 50,618.36 : x
  2. Step 2: Convert to fraction form
    79,297.64/109,400.70 = 50,618.36/x
  3. Step 3: Cross multiply
    79,297.64x = 109,400.70 × 50,618.36
  4. Step 4: Simplify right side
    79,297.64x = 5,537,684,016.85
  5. Step 5: Solve for x
    x = 5,537,684,016.85/79,297.64
  6. Step 6: Final answer
    x = 69,834.16

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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.