Home / 66,713.54-100,070.25-31,634.06

Finding the Fourth Proportional to 66,713.54, 100,070.25 and 31,634.06

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Solution

The fourth proportional to 66,713.54, 100,070.25 and 31,634.06 is: 47,451.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,713.54 : 100,070.25 = 31,634.06 : x
  2. Step 2: Convert to fraction form
    66,713.54/100,070.25 = 31,634.06/x
  3. Step 3: Cross multiply
    66,713.54x = 100,070.25 × 31,634.06
  4. Step 4: Simplify right side
    66,713.54x = 3,165,628,292.72
  5. Step 5: Solve for x
    x = 3,165,628,292.72/66,713.54
  6. Step 6: Final answer
    x = 47,451.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.