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Finding the Fourth Proportional to 93,843.21, 140,740.20 and 34,695.80

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Solution

The fourth proportional to 93,843.21, 140,740.20 and 34,695.80 is: 52,034.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,843.21 : 140,740.20 = 34,695.80 : x
  2. Step 2: Convert to fraction form
    93,843.21/140,740.20 = 34,695.80/x
  3. Step 3: Cross multiply
    93,843.21x = 140,740.20 × 34,695.80
  4. Step 4: Simplify right side
    93,843.21x = 4,883,093,127.46
  5. Step 5: Solve for x
    x = 4,883,093,127.46/93,843.21
  6. Step 6: Final answer
    x = 52,034.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.