Home / 80,021.36-120,066.60-44,908.40

Finding the Fourth Proportional to 80,021.36, 120,066.60 and 44,908.40

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Solution

The fourth proportional to 80,021.36, 120,066.60 and 44,908.40 is: 67,382.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,021.36 : 120,066.60 = 44,908.40 : x
  2. Step 2: Convert to fraction form
    80,021.36/120,066.60 = 44,908.40/x
  3. Step 3: Cross multiply
    80,021.36x = 120,066.60 × 44,908.40
  4. Step 4: Simplify right side
    80,021.36x = 5,391,998,899.44
  5. Step 5: Solve for x
    x = 5,391,998,899.44/80,021.36
  6. Step 6: Final answer
    x = 67,382.00

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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.