Home / 48,764.63-67,268.25-39,699.75

Finding the Fourth Proportional to 48,764.63, 67,268.25 and 39,699.75

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Solution

The fourth proportional to 48,764.63, 67,268.25 and 39,699.75 is: 54,763.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,764.63 : 67,268.25 = 39,699.75 : x
  2. Step 2: Convert to fraction form
    48,764.63/67,268.25 = 39,699.75/x
  3. Step 3: Cross multiply
    48,764.63x = 67,268.25 × 39,699.75
  4. Step 4: Simplify right side
    48,764.63x = 2,670,532,280.96
  5. Step 5: Solve for x
    x = 2,670,532,280.96/48,764.63
  6. Step 6: Final answer
    x = 54,763.71

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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.