Home / 93,712.38-140,505.94-51,612.12

Finding the Fourth Proportional to 93,712.38, 140,505.94 and 51,612.12

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Solution

The fourth proportional to 93,712.38, 140,505.94 and 51,612.12 is: 77,383.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,712.38 : 140,505.94 = 51,612.12 : x
  2. Step 2: Convert to fraction form
    93,712.38/140,505.94 = 51,612.12/x
  3. Step 3: Cross multiply
    93,712.38x = 140,505.94 × 51,612.12
  4. Step 4: Simplify right side
    93,712.38x = 7,251,809,500.51
  5. Step 5: Solve for x
    x = 7,251,809,500.51/93,712.38
  6. Step 6: Final answer
    x = 77,383.69

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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.