Home / 79,836.21-110,168.93-45,820.75

Finding the Fourth Proportional to 79,836.21, 110,168.93 and 45,820.75

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Solution

The fourth proportional to 79,836.21, 110,168.93 and 45,820.75 is: 63,229.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,836.21 : 110,168.93 = 45,820.75 : x
  2. Step 2: Convert to fraction form
    79,836.21/110,168.93 = 45,820.75/x
  3. Step 3: Cross multiply
    79,836.21x = 110,168.93 × 45,820.75
  4. Step 4: Simplify right side
    79,836.21x = 5,048,022,999.30
  5. Step 5: Solve for x
    x = 5,048,022,999.30/79,836.21
  6. Step 6: Final answer
    x = 63,229.74

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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.