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Finding the Fourth Proportional to 80,358.80, 110,872.68 and 46,818.32

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Solution

The fourth proportional to 80,358.80, 110,872.68 and 46,818.32 is: 64,596.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,358.80 : 110,872.68 = 46,818.32 : x
  2. Step 2: Convert to fraction form
    80,358.80/110,872.68 = 46,818.32/x
  3. Step 3: Cross multiply
    80,358.80x = 110,872.68 × 46,818.32
  4. Step 4: Simplify right side
    80,358.80x = 5,190,872,611.50
  5. Step 5: Solve for x
    x = 5,190,872,611.50/80,358.80
  6. Step 6: Final answer
    x = 64,596.19

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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.