Home / 90,812.74-125,269.77-54,504.49

Finding the Fourth Proportional to 90,812.74, 125,269.77 and 54,504.49

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Solution

The fourth proportional to 90,812.74, 125,269.77 and 54,504.49 is: 75,185.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,812.74 : 125,269.77 = 54,504.49 : x
  2. Step 2: Convert to fraction form
    90,812.74/125,269.77 = 54,504.49/x
  3. Step 3: Cross multiply
    90,812.74x = 125,269.77 × 54,504.49
  4. Step 4: Simplify right side
    90,812.74x = 6,827,764,926.27
  5. Step 5: Solve for x
    x = 6,827,764,926.27/90,812.74
  6. Step 6: Final answer
    x = 75,185.10

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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.