Home / 74,072.25-111,122.22-29,702.48

Finding the Fourth Proportional to 74,072.25, 111,122.22 and 29,702.48

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Solution

The fourth proportional to 74,072.25, 111,122.22 and 29,702.48 is: 44,559.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,072.25 : 111,122.22 = 29,702.48 : x
  2. Step 2: Convert to fraction form
    74,072.25/111,122.22 = 29,702.48/x
  3. Step 3: Cross multiply
    74,072.25x = 111,122.22 × 29,702.48
  4. Step 4: Simplify right side
    74,072.25x = 3,300,605,165.04
  5. Step 5: Solve for x
    x = 3,300,605,165.04/74,072.25
  6. Step 6: Final answer
    x = 44,559.27

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1.5x scale

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.