Home / 66,161.84-91,305.08-37,876.64

Finding the Fourth Proportional to 66,161.84, 91,305.08 and 37,876.64

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Solution

The fourth proportional to 66,161.84, 91,305.08 and 37,876.64 is: 52,270.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,161.84 : 91,305.08 = 37,876.64 : x
  2. Step 2: Convert to fraction form
    66,161.84/91,305.08 = 37,876.64/x
  3. Step 3: Cross multiply
    66,161.84x = 91,305.08 × 37,876.64
  4. Step 4: Simplify right side
    66,161.84x = 3,458,329,645.33
  5. Step 5: Solve for x
    x = 3,458,329,645.33/66,161.84
  6. Step 6: Final answer
    x = 52,270.76

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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.