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Finding the Fourth Proportional to 80,297.12, 110,810.81 and 44,487.62

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Solution

The fourth proportional to 80,297.12, 110,810.81 and 44,487.62 is: 61,393.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,297.12 : 110,810.81 = 44,487.62 : x
  2. Step 2: Convert to fraction form
    80,297.12/110,810.81 = 44,487.62/x
  3. Step 3: Cross multiply
    80,297.12x = 110,810.81 × 44,487.62
  4. Step 4: Simplify right side
    80,297.12x = 4,929,709,207.17
  5. Step 5: Solve for x
    x = 4,929,709,207.17/80,297.12
  6. Step 6: Final answer
    x = 61,393.35

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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.