Home / 66,053.72-91,151.25-37,761.23

Finding the Fourth Proportional to 66,053.72, 91,151.25 and 37,761.23

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Solution

The fourth proportional to 66,053.72, 91,151.25 and 37,761.23 is: 52,108.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,053.72 : 91,151.25 = 37,761.23 : x
  2. Step 2: Convert to fraction form
    66,053.72/91,151.25 = 37,761.23/x
  3. Step 3: Cross multiply
    66,053.72x = 91,151.25 × 37,761.23
  4. Step 4: Simplify right side
    66,053.72x = 3,441,983,316.04
  5. Step 5: Solve for x
    x = 3,441,983,316.04/66,053.72
  6. Step 6: Final answer
    x = 52,108.85

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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.