Home / 68,051.56-93,884.18-39,365.90

Finding the Fourth Proportional to 68,051.56, 93,884.18 and 39,365.90

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Solution

The fourth proportional to 68,051.56, 93,884.18 and 39,365.90 is: 54,309.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,051.56 : 93,884.18 = 39,365.90 : x
  2. Step 2: Convert to fraction form
    68,051.56/93,884.18 = 39,365.90/x
  3. Step 3: Cross multiply
    68,051.56x = 93,884.18 × 39,365.90
  4. Step 4: Simplify right side
    68,051.56x = 3,695,835,241.46
  5. Step 5: Solve for x
    x = 3,695,835,241.46/68,051.56
  6. Step 6: Final answer
    x = 54,309.34

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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.