Home / 71,677.01-98,914.62-39,845.91

Finding the Fourth Proportional to 71,677.01, 98,914.62 and 39,845.91

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Solution

The fourth proportional to 71,677.01, 98,914.62 and 39,845.91 is: 54,987.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,677.01 : 98,914.62 = 39,845.91 : x
  2. Step 2: Convert to fraction form
    71,677.01/98,914.62 = 39,845.91/x
  3. Step 3: Cross multiply
    71,677.01x = 98,914.62 × 39,845.91
  4. Step 4: Simplify right side
    71,677.01x = 3,941,343,046.20
  5. Step 5: Solve for x
    x = 3,941,343,046.20/71,677.01
  6. Step 6: Final answer
    x = 54,987.55

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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.