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Finding the Fourth Proportional to 80,008.34, 110,411.56 and 43,710.28

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Solution

The fourth proportional to 80,008.34, 110,411.56 and 43,710.28 is: 60,320.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,008.34 : 110,411.56 = 43,710.28 : x
  2. Step 2: Convert to fraction form
    80,008.34/110,411.56 = 43,710.28/x
  3. Step 3: Cross multiply
    80,008.34x = 110,411.56 × 43,710.28
  4. Step 4: Simplify right side
    80,008.34x = 4,826,120,202.84
  5. Step 5: Solve for x
    x = 4,826,120,202.84/80,008.34
  6. Step 6: Final answer
    x = 60,320.21

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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.