Home / 69,291.28-103,890.22-55,980.65

Finding the Fourth Proportional to 69,291.28, 103,890.22 and 55,980.65

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Solution

The fourth proportional to 69,291.28, 103,890.22 and 55,980.65 is: 83,933.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,291.28 : 103,890.22 = 55,980.65 : x
  2. Step 2: Convert to fraction form
    69,291.28/103,890.22 = 55,980.65/x
  3. Step 3: Cross multiply
    69,291.28x = 103,890.22 × 55,980.65
  4. Step 4: Simplify right side
    69,291.28x = 5,815,842,044.24
  5. Step 5: Solve for x
    x = 5,815,842,044.24/69,291.28
  6. Step 6: Final answer
    x = 83,933.25

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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.