Home / 66,142.58-91,273.66-37,461.56

Finding the Fourth Proportional to 66,142.58, 91,273.66 and 37,461.56

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Solution

The fourth proportional to 66,142.58, 91,273.66 and 37,461.56 is: 51,695.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,142.58 : 91,273.66 = 37,461.56 : x
  2. Step 2: Convert to fraction form
    66,142.58/91,273.66 = 37,461.56/x
  3. Step 3: Cross multiply
    66,142.58x = 91,273.66 × 37,461.56
  4. Step 4: Simplify right side
    66,142.58x = 3,419,253,825.04
  5. Step 5: Solve for x
    x = 3,419,253,825.04/66,142.58
  6. Step 6: Final answer
    x = 51,695.20

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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.