Home / 80,914.02-111,659.04-45,103.28

Finding the Fourth Proportional to 80,914.02, 111,659.04 and 45,103.28

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Solution

The fourth proportional to 80,914.02, 111,659.04 and 45,103.28 is: 62,241.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,914.02 : 111,659.04 = 45,103.28 : x
  2. Step 2: Convert to fraction form
    80,914.02/111,659.04 = 45,103.28/x
  3. Step 3: Cross multiply
    80,914.02x = 111,659.04 × 45,103.28
  4. Step 4: Simplify right side
    80,914.02x = 5,036,188,387.36
  5. Step 5: Solve for x
    x = 5,036,188,387.36/80,914.02
  6. Step 6: Final answer
    x = 62,241.23

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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.