Home / 66,548.07-91,837.44-39,706.29

Finding the Fourth Proportional to 66,548.07, 91,837.44 and 39,706.29

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Solution

The fourth proportional to 66,548.07, 91,837.44 and 39,706.29 is: 54,795.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,548.07 : 91,837.44 = 39,706.29 : x
  2. Step 2: Convert to fraction form
    66,548.07/91,837.44 = 39,706.29/x
  3. Step 3: Cross multiply
    66,548.07x = 91,837.44 × 39,706.29
  4. Step 4: Simplify right side
    66,548.07x = 3,646,524,025.50
  5. Step 5: Solve for x
    x = 3,646,524,025.50/66,548.07
  6. Step 6: Final answer
    x = 54,795.34

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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.