Home / 79,084.15-109,133.53-43,271.75

Finding the Fourth Proportional to 79,084.15, 109,133.53 and 43,271.75

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Solution

The fourth proportional to 79,084.15, 109,133.53 and 43,271.75 is: 59,713.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,084.15 : 109,133.53 = 43,271.75 : x
  2. Step 2: Convert to fraction form
    79,084.15/109,133.53 = 43,271.75/x
  3. Step 3: Cross multiply
    79,084.15x = 109,133.53 × 43,271.75
  4. Step 4: Simplify right side
    79,084.15x = 4,722,398,991.43
  5. Step 5: Solve for x
    x = 4,722,398,991.43/79,084.15
  6. Step 6: Final answer
    x = 59,713.60

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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.