Home / 75,698.72-113,333.88-40,079.12

Finding the Fourth Proportional to 75,698.72, 113,333.88 and 40,079.12

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Solution

The fourth proportional to 75,698.72, 113,333.88 and 40,079.12 is: 60,005.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,698.72 : 113,333.88 = 40,079.12 : x
  2. Step 2: Convert to fraction form
    75,698.72/113,333.88 = 40,079.12/x
  3. Step 3: Cross multiply
    75,698.72x = 113,333.88 × 40,079.12
  4. Step 4: Simplify right side
    75,698.72x = 4,542,322,176.59
  5. Step 5: Solve for x
    x = 4,542,322,176.59/75,698.72
  6. Step 6: Final answer
    x = 60,005.27

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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.