Home / 66,043.36-91,146.24-37,743.64

Finding the Fourth Proportional to 66,043.36, 91,146.24 and 37,743.64

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Solution

The fourth proportional to 66,043.36, 91,146.24 and 37,743.64 is: 52,089.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,043.36 : 91,146.24 = 37,743.64 : x
  2. Step 2: Convert to fraction form
    66,043.36/91,146.24 = 37,743.64/x
  3. Step 3: Cross multiply
    66,043.36x = 91,146.24 × 37,743.64
  4. Step 4: Simplify right side
    66,043.36x = 3,440,190,869.91
  5. Step 5: Solve for x
    x = 3,440,190,869.91/66,043.36
  6. Step 6: Final answer
    x = 52,089.88

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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.