Home / 66,042.07-91,138.05-37,748.36

Finding the Fourth Proportional to 66,042.07, 91,138.05 and 37,748.36

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Solution

The fourth proportional to 66,042.07, 91,138.05 and 37,748.36 is: 52,092.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,042.07 : 91,138.05 = 37,748.36 : x
  2. Step 2: Convert to fraction form
    66,042.07/91,138.05 = 37,748.36/x
  3. Step 3: Cross multiply
    66,042.07x = 91,138.05 × 37,748.36
  4. Step 4: Simplify right side
    66,042.07x = 3,440,311,921.10
  5. Step 5: Solve for x
    x = 3,440,311,921.10/66,042.07
  6. Step 6: Final answer
    x = 52,092.74

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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.