Home / 79,997.12-110,390.64-44,187.20

Finding the Fourth Proportional to 79,997.12, 110,390.64 and 44,187.20

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Solution

The fourth proportional to 79,997.12, 110,390.64 and 44,187.20 is: 60,975.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,997.12 : 110,390.64 = 44,187.20 : x
  2. Step 2: Convert to fraction form
    79,997.12/110,390.64 = 44,187.20/x
  3. Step 3: Cross multiply
    79,997.12x = 110,390.64 × 44,187.20
  4. Step 4: Simplify right side
    79,997.12x = 4,877,853,287.81
  5. Step 5: Solve for x
    x = 4,877,853,287.81/79,997.12
  6. Step 6: Final answer
    x = 60,975.36

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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.