Home / 66,086.98-91,174.08-37,777.48

Finding the Fourth Proportional to 66,086.98, 91,174.08 and 37,777.48

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Solution

The fourth proportional to 66,086.98, 91,174.08 and 37,777.48 is: 52,118.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,086.98 : 91,174.08 = 37,777.48 : x
  2. Step 2: Convert to fraction form
    66,086.98/91,174.08 = 37,777.48/x
  3. Step 3: Cross multiply
    66,086.98x = 91,174.08 × 37,777.48
  4. Step 4: Simplify right side
    66,086.98x = 3,444,326,983.72
  5. Step 5: Solve for x
    x = 3,444,326,983.72/66,086.98
  6. Step 6: Final answer
    x = 52,118.09

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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.