Home / 79,040.70-109,078.02-45,052.34

Finding the Fourth Proportional to 79,040.70, 109,078.02 and 45,052.34

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Solution

The fourth proportional to 79,040.70, 109,078.02 and 45,052.34 is: 62,173.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,040.70 : 109,078.02 = 45,052.34 : x
  2. Step 2: Convert to fraction form
    79,040.70/109,078.02 = 45,052.34/x
  3. Step 3: Cross multiply
    79,040.70x = 109,078.02 × 45,052.34
  4. Step 4: Simplify right side
    79,040.70x = 4,914,220,316.26
  5. Step 5: Solve for x
    x = 4,914,220,316.26/79,040.70
  6. Step 6: Final answer
    x = 62,173.29

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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.