Home / 79,785.04-110,102.76-43,975.12

Finding the Fourth Proportional to 79,785.04, 110,102.76 and 43,975.12

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Solution

The fourth proportional to 79,785.04, 110,102.76 and 43,975.12 is: 60,685.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,785.04 : 110,102.76 = 43,975.12 : x
  2. Step 2: Convert to fraction form
    79,785.04/110,102.76 = 43,975.12/x
  3. Step 3: Cross multiply
    79,785.04x = 110,102.76 × 43,975.12
  4. Step 4: Simplify right side
    79,785.04x = 4,841,782,083.33
  5. Step 5: Solve for x
    x = 4,841,782,083.33/79,785.04
  6. Step 6: Final answer
    x = 60,685.34

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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.