Home / 66,757.14-92,119.32-38,076.66

Finding the Fourth Proportional to 66,757.14, 92,119.32 and 38,076.66

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Solution

The fourth proportional to 66,757.14, 92,119.32 and 38,076.66 is: 52,542.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,757.14 : 92,119.32 = 38,076.66 : x
  2. Step 2: Convert to fraction form
    66,757.14/92,119.32 = 38,076.66/x
  3. Step 3: Cross multiply
    66,757.14x = 92,119.32 × 38,076.66
  4. Step 4: Simplify right side
    66,757.14x = 3,507,596,027.07
  5. Step 5: Solve for x
    x = 3,507,596,027.07/66,757.14
  6. Step 6: Final answer
    x = 52,542.63

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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.