Home / 73,109.10-109,578.60-33,670.20

Finding the Fourth Proportional to 73,109.10, 109,578.60 and 33,670.20

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Solution

The fourth proportional to 73,109.10, 109,578.60 and 33,670.20 is: 50,466.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,109.10 : 109,578.60 = 33,670.20 : x
  2. Step 2: Convert to fraction form
    73,109.10/109,578.60 = 33,670.20/x
  3. Step 3: Cross multiply
    73,109.10x = 109,578.60 × 33,670.20
  4. Step 4: Simplify right side
    73,109.10x = 3,689,533,377.72
  5. Step 5: Solve for x
    x = 3,689,533,377.72/73,109.10
  6. Step 6: Final answer
    x = 50,466.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.