Home / 79,470.88-109,669.38-43,172.08

Finding the Fourth Proportional to 79,470.88, 109,669.38 and 43,172.08

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Solution

The fourth proportional to 79,470.88, 109,669.38 and 43,172.08 is: 59,577.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,470.88 : 109,669.38 = 43,172.08 : x
  2. Step 2: Convert to fraction form
    79,470.88/109,669.38 = 43,172.08/x
  3. Step 3: Cross multiply
    79,470.88x = 109,669.38 × 43,172.08
  4. Step 4: Simplify right side
    79,470.88x = 4,734,655,246.91
  5. Step 5: Solve for x
    x = 4,734,655,246.91/79,470.88
  6. Step 6: Final answer
    x = 59,577.23

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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.