Home / 69,051.78-95,277.14-40,365.90

Finding the Fourth Proportional to 69,051.78, 95,277.14 and 40,365.90

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Solution

The fourth proportional to 69,051.78, 95,277.14 and 40,365.90 is: 55,696.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,051.78 : 95,277.14 = 40,365.90 : x
  2. Step 2: Convert to fraction form
    69,051.78/95,277.14 = 40,365.90/x
  3. Step 3: Cross multiply
    69,051.78x = 95,277.14 × 40,365.90
  4. Step 4: Simplify right side
    69,051.78x = 3,845,947,505.53
  5. Step 5: Solve for x
    x = 3,845,947,505.53/69,051.78
  6. Step 6: Final answer
    x = 55,696.57

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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.