Home / 74,732.22-103,072.12-47,877.21

Finding the Fourth Proportional to 74,732.22, 103,072.12 and 47,877.21

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Solution

The fourth proportional to 74,732.22, 103,072.12 and 47,877.21 is: 66,033.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,732.22 : 103,072.12 = 47,877.21 : x
  2. Step 2: Convert to fraction form
    74,732.22/103,072.12 = 47,877.21/x
  3. Step 3: Cross multiply
    74,732.22x = 103,072.12 × 47,877.21
  4. Step 4: Simplify right side
    74,732.22x = 4,934,805,414.69
  5. Step 5: Solve for x
    x = 4,934,805,414.69/74,732.22
  6. Step 6: Final answer
    x = 66,033.17

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1.5x scale

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.