Home / 79,915.43-110,249.70-56,057.69

Finding the Fourth Proportional to 79,915.43, 110,249.70 and 56,057.69

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Solution

The fourth proportional to 79,915.43, 110,249.70 and 56,057.69 is: 77,336.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,915.43 : 110,249.70 = 56,057.69 : x
  2. Step 2: Convert to fraction form
    79,915.43/110,249.70 = 56,057.69/x
  3. Step 3: Cross multiply
    79,915.43x = 110,249.70 × 56,057.69
  4. Step 4: Simplify right side
    79,915.43x = 6,180,343,505.19
  5. Step 5: Solve for x
    x = 6,180,343,505.19/79,915.43
  6. Step 6: Final answer
    x = 77,336.05

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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.