Home / 79,865.18-110,214.05-45,880.25

Finding the Fourth Proportional to 79,865.18, 110,214.05 and 45,880.25

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Solution

The fourth proportional to 79,865.18, 110,214.05 and 45,880.25 is: 63,314.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,865.18 : 110,214.05 = 45,880.25 : x
  2. Step 2: Convert to fraction form
    79,865.18/110,214.05 = 45,880.25/x
  3. Step 3: Cross multiply
    79,865.18x = 110,214.05 × 45,880.25
  4. Step 4: Simplify right side
    79,865.18x = 5,056,647,387.04
  5. Step 5: Solve for x
    x = 5,056,647,387.04/79,865.18
  6. Step 6: Final answer
    x = 63,314.80

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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.