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Finding the Fourth Proportional to 80,009.16, 110,412.18 and 44,199

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Solution

The fourth proportional to 80,009.16, 110,412.18 and 44,199 is: 60,994.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,009.16 : 110,412.18 = 44,199 : x
  2. Step 2: Convert to fraction form
    80,009.16/110,412.18 = 44,199/x
  3. Step 3: Cross multiply
    80,009.16x = 110,412.18 × 44,199
  4. Step 4: Simplify right side
    80,009.16x = 4,880,107,943.82
  5. Step 5: Solve for x
    x = 4,880,107,943.82/80,009.16
  6. Step 6: Final answer
    x = 60,994.37

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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.