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Finding the Fourth Proportional to 110,041.34, 165,072.95 and 39,926.12

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Solution

The fourth proportional to 110,041.34, 165,072.95 and 39,926.12 is: 59,893.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,041.34 : 165,072.95 = 39,926.12 : x
  2. Step 2: Convert to fraction form
    110,041.34/165,072.95 = 39,926.12/x
  3. Step 3: Cross multiply
    110,041.34x = 165,072.95 × 39,926.12
  4. Step 4: Simplify right side
    110,041.34x = 6,590,722,922.95
  5. Step 5: Solve for x
    x = 6,590,722,922.95/110,041.34
  6. Step 6: Final answer
    x = 59,893.15

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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.