Home / 79,014.26-109,127.70-73,035.55

Finding the Fourth Proportional to 79,014.26, 109,127.70 and 73,035.55

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Solution

The fourth proportional to 79,014.26, 109,127.70 and 73,035.55 is: 100,870.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,014.26 : 109,127.70 = 73,035.55 : x
  2. Step 2: Convert to fraction form
    79,014.26/109,127.70 = 73,035.55/x
  3. Step 3: Cross multiply
    79,014.26x = 109,127.70 × 73,035.55
  4. Step 4: Simplify right side
    79,014.26x = 7,970,202,290.21
  5. Step 5: Solve for x
    x = 7,970,202,290.21/79,014.26
  6. Step 6: Final answer
    x = 100,870.42

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1.5x scale

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.