Home / 69,936.64-104,780.58-40,293.23

Finding the Fourth Proportional to 69,936.64, 104,780.58 and 40,293.23

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Solution

The fourth proportional to 69,936.64, 104,780.58 and 40,293.23 is: 60,368.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,936.64 : 104,780.58 = 40,293.23 : x
  2. Step 2: Convert to fraction form
    69,936.64/104,780.58 = 40,293.23/x
  3. Step 3: Cross multiply
    69,936.64x = 104,780.58 × 40,293.23
  4. Step 4: Simplify right side
    69,936.64x = 4,221,948,009.47
  5. Step 5: Solve for x
    x = 4,221,948,009.47/69,936.64
  6. Step 6: Final answer
    x = 60,368.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.