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Finding the Fourth Proportional to 80,220.92, 110,705.74 and 44,411.52

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Solution

The fourth proportional to 80,220.92, 110,705.74 and 44,411.52 is: 61,288.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,220.92 : 110,705.74 = 44,411.52 : x
  2. Step 2: Convert to fraction form
    80,220.92/110,705.74 = 44,411.52/x
  3. Step 3: Cross multiply
    80,220.92x = 110,705.74 × 44,411.52
  4. Step 4: Simplify right side
    80,220.92x = 4,916,610,490.24
  5. Step 5: Solve for x
    x = 4,916,610,490.24/80,220.92
  6. Step 6: Final answer
    x = 61,288.39

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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.