Home / 48,781.81-73,164.51-13,713.25

Finding the Fourth Proportional to 48,781.81, 73,164.51 and 13,713.25

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Solution

The fourth proportional to 48,781.81, 73,164.51 and 13,713.25 is: 20,567.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,781.81 : 73,164.51 = 13,713.25 : x
  2. Step 2: Convert to fraction form
    48,781.81/73,164.51 = 13,713.25/x
  3. Step 3: Cross multiply
    48,781.81x = 73,164.51 × 13,713.25
  4. Step 4: Simplify right side
    48,781.81x = 1,003,323,216.76
  5. Step 5: Solve for x
    x = 1,003,323,216.76/48,781.81
  6. Step 6: Final answer
    x = 20,567.57

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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.