Home / 79,940.10-110,317.88-44,131.20

Finding the Fourth Proportional to 79,940.10, 110,317.88 and 44,131.20

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Solution

The fourth proportional to 79,940.10, 110,317.88 and 44,131.20 is: 60,901.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,940.10 : 110,317.88 = 44,131.20 : x
  2. Step 2: Convert to fraction form
    79,940.10/110,317.88 = 44,131.20/x
  3. Step 3: Cross multiply
    79,940.10x = 110,317.88 × 44,131.20
  4. Step 4: Simplify right side
    79,940.10x = 4,868,460,425.86
  5. Step 5: Solve for x
    x = 4,868,460,425.86/79,940.10
  6. Step 6: Final answer
    x = 60,901.36

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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.