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Finding the Fourth Proportional to 80,215.08, 110,698.38 and 44,404.08

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Solution

The fourth proportional to 80,215.08, 110,698.38 and 44,404.08 is: 61,278.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,215.08 : 110,698.38 = 44,404.08 : x
  2. Step 2: Convert to fraction form
    80,215.08/110,698.38 = 44,404.08/x
  3. Step 3: Cross multiply
    80,215.08x = 110,698.38 × 44,404.08
  4. Step 4: Simplify right side
    80,215.08x = 4,915,459,721.39
  5. Step 5: Solve for x
    x = 4,915,459,721.39/80,215.08
  6. Step 6: Final answer
    x = 61,278.50

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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.