Home / 49,766.84-74,649.79-20,177.64

Finding the Fourth Proportional to 49,766.84, 74,649.79 and 20,177.64

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Solution

The fourth proportional to 49,766.84, 74,649.79 and 20,177.64 is: 30,266.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,766.84 : 74,649.79 = 20,177.64 : x
  2. Step 2: Convert to fraction form
    49,766.84/74,649.79 = 20,177.64/x
  3. Step 3: Cross multiply
    49,766.84x = 74,649.79 × 20,177.64
  4. Step 4: Simplify right side
    49,766.84x = 1,506,256,588.70
  5. Step 5: Solve for x
    x = 1,506,256,588.70/49,766.84
  6. Step 6: Final answer
    x = 30,266.27

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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.