Home / 79,516.08-109,734.21-43,707

Finding the Fourth Proportional to 79,516.08, 109,734.21 and 43,707

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Solution

The fourth proportional to 79,516.08, 109,734.21 and 43,707 is: 60,316.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,516.08 : 109,734.21 = 43,707 : x
  2. Step 2: Convert to fraction form
    79,516.08/109,734.21 = 43,707/x
  3. Step 3: Cross multiply
    79,516.08x = 109,734.21 × 43,707
  4. Step 4: Simplify right side
    79,516.08x = 4,796,153,116.47
  5. Step 5: Solve for x
    x = 4,796,153,116.47/79,516.08
  6. Step 6: Final answer
    x = 60,316.77

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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.