Home / 79,091.12-109,144.93-45,105.14

Finding the Fourth Proportional to 79,091.12, 109,144.93 and 45,105.14

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Solution

The fourth proportional to 79,091.12, 109,144.93 and 45,105.14 is: 62,244.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,091.12 : 109,144.93 = 45,105.14 : x
  2. Step 2: Convert to fraction form
    79,091.12/109,144.93 = 45,105.14/x
  3. Step 3: Cross multiply
    79,091.12x = 109,144.93 × 45,105.14
  4. Step 4: Simplify right side
    79,091.12x = 4,922,997,347.94
  5. Step 5: Solve for x
    x = 4,922,997,347.94/79,091.12
  6. Step 6: Final answer
    x = 62,244.63

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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.