Home / 45,319.80-67,863.06-29,690.04

Finding the Fourth Proportional to 45,319.80, 67,863.06 and 29,690.04

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Solution

The fourth proportional to 45,319.80, 67,863.06 and 29,690.04 is: 44,458.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,319.80 : 67,863.06 = 29,690.04 : x
  2. Step 2: Convert to fraction form
    45,319.80/67,863.06 = 29,690.04/x
  3. Step 3: Cross multiply
    45,319.80x = 67,863.06 × 29,690.04
  4. Step 4: Simplify right side
    45,319.80x = 2,014,856,965.92
  5. Step 5: Solve for x
    x = 2,014,856,965.92/45,319.80
  6. Step 6: Final answer
    x = 44,458.65

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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.