Home / 83,664.39-125,495.81-20,484.80

Finding the Fourth Proportional to 83,664.39, 125,495.81 and 20,484.80

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Solution

The fourth proportional to 83,664.39, 125,495.81 and 20,484.80 is: 30,727.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,664.39 : 125,495.81 = 20,484.80 : x
  2. Step 2: Convert to fraction form
    83,664.39/125,495.81 = 20,484.80/x
  3. Step 3: Cross multiply
    83,664.39x = 125,495.81 × 20,484.80
  4. Step 4: Simplify right side
    83,664.39x = 2,570,756,568.69
  5. Step 5: Solve for x
    x = 2,570,756,568.69/83,664.39
  6. Step 6: Final answer
    x = 30,727.01

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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.