Home / 67,255.09-100,995.11-42,013.33

Finding the Fourth Proportional to 67,255.09, 100,995.11 and 42,013.33

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Solution

The fourth proportional to 67,255.09, 100,995.11 and 42,013.33 is: 63,090.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,255.09 : 100,995.11 = 42,013.33 : x
  2. Step 2: Convert to fraction form
    67,255.09/100,995.11 = 42,013.33/x
  3. Step 3: Cross multiply
    67,255.09x = 100,995.11 × 42,013.33
  4. Step 4: Simplify right side
    67,255.09x = 4,243,140,884.82
  5. Step 5: Solve for x
    x = 4,243,140,884.82/67,255.09
  6. Step 6: Final answer
    x = 63,090.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.