Home / 69,580.96-96,030.77-38,965.71

Finding the Fourth Proportional to 69,580.96, 96,030.77 and 38,965.71

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Solution

The fourth proportional to 69,580.96, 96,030.77 and 38,965.71 is: 53,777.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,580.96 : 96,030.77 = 38,965.71 : x
  2. Step 2: Convert to fraction form
    69,580.96/96,030.77 = 38,965.71/x
  3. Step 3: Cross multiply
    69,580.96x = 96,030.77 × 38,965.71
  4. Step 4: Simplify right side
    69,580.96x = 3,741,907,134.90
  5. Step 5: Solve for x
    x = 3,741,907,134.90/69,580.96
  6. Step 6: Final answer
    x = 53,777.75

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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.