Home / 42,805.44-64,121.12-34,936

Finding the Fourth Proportional to 42,805.44, 64,121.12 and 34,936

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Solution

The fourth proportional to 42,805.44, 64,121.12 and 34,936 is: 52,332.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,805.44 : 64,121.12 = 34,936 : x
  2. Step 2: Convert to fraction form
    42,805.44/64,121.12 = 34,936/x
  3. Step 3: Cross multiply
    42,805.44x = 64,121.12 × 34,936
  4. Step 4: Simplify right side
    42,805.44x = 2,240,135,448.32
  5. Step 5: Solve for x
    x = 2,240,135,448.32/42,805.44
  6. Step 6: Final answer
    x = 52,332.96

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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.