Home / 71,192.22-98,242.44-40,987.20

Finding the Fourth Proportional to 71,192.22, 98,242.44 and 40,987.20

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Solution

The fourth proportional to 71,192.22, 98,242.44 and 40,987.20 is: 56,560.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,192.22 : 98,242.44 = 40,987.20 : x
  2. Step 2: Convert to fraction form
    71,192.22/98,242.44 = 40,987.20/x
  3. Step 3: Cross multiply
    71,192.22x = 98,242.44 × 40,987.20
  4. Step 4: Simplify right side
    71,192.22x = 4,026,682,536.77
  5. Step 5: Solve for x
    x = 4,026,682,536.77/71,192.22
  6. Step 6: Final answer
    x = 56,560.71

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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.