Home / 71,021.12-98,044.62-44,172.29

Finding the Fourth Proportional to 71,021.12, 98,044.62 and 44,172.29

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Solution

The fourth proportional to 71,021.12, 98,044.62 and 44,172.29 is: 60,979.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,021.12 : 98,044.62 = 44,172.29 : x
  2. Step 2: Convert to fraction form
    71,021.12/98,044.62 = 44,172.29/x
  3. Step 3: Cross multiply
    71,021.12x = 98,044.62 × 44,172.29
  4. Step 4: Simplify right side
    71,021.12x = 4,330,854,897.36
  5. Step 5: Solve for x
    x = 4,330,854,897.36/71,021.12
  6. Step 6: Final answer
    x = 60,979.82

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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.