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Finding the Fourth Proportional to 93,611.97, 140,417.96 and 31,282.47

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Solution

The fourth proportional to 93,611.97, 140,417.96 and 31,282.47 is: 46,923.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,611.97 : 140,417.96 = 31,282.47 : x
  2. Step 2: Convert to fraction form
    93,611.97/140,417.96 = 31,282.47/x
  3. Step 3: Cross multiply
    93,611.97x = 140,417.96 × 31,282.47
  4. Step 4: Simplify right side
    93,611.97x = 4,392,620,464.75
  5. Step 5: Solve for x
    x = 4,392,620,464.75/93,611.97
  6. Step 6: Final answer
    x = 46,923.71

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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.