Home / 74,734.32-112,104.45-29,764.20

Finding the Fourth Proportional to 74,734.32, 112,104.45 and 29,764.20

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Solution

The fourth proportional to 74,734.32, 112,104.45 and 29,764.20 is: 44,647.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,734.32 : 112,104.45 = 29,764.20 : x
  2. Step 2: Convert to fraction form
    74,734.32/112,104.45 = 29,764.20/x
  3. Step 3: Cross multiply
    74,734.32x = 112,104.45 × 29,764.20
  4. Step 4: Simplify right side
    74,734.32x = 3,336,699,270.69
  5. Step 5: Solve for x
    x = 3,336,699,270.69/74,734.32
  6. Step 6: Final answer
    x = 44,647.48

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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.