Home / 66,738.44-92,089.95-39,875.27

Finding the Fourth Proportional to 66,738.44, 92,089.95 and 39,875.27

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Solution

The fourth proportional to 66,738.44, 92,089.95 and 39,875.27 is: 55,022.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,738.44 : 92,089.95 = 39,875.27 : x
  2. Step 2: Convert to fraction form
    66,738.44/92,089.95 = 39,875.27/x
  3. Step 3: Cross multiply
    66,738.44x = 92,089.95 × 39,875.27
  4. Step 4: Simplify right side
    66,738.44x = 3,672,111,160.09
  5. Step 5: Solve for x
    x = 3,672,111,160.09/66,738.44
  6. Step 6: Final answer
    x = 55,022.43

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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.