Home / 93,956.43-140,934.65-81,268.48

Finding the Fourth Proportional to 93,956.43, 140,934.65 and 81,268.48

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Solution

The fourth proportional to 93,956.43, 140,934.65 and 81,268.48 is: 121,902.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,956.43 : 140,934.65 = 81,268.48 : x
  2. Step 2: Convert to fraction form
    93,956.43/140,934.65 = 81,268.48/x
  3. Step 3: Cross multiply
    93,956.43x = 140,934.65 × 81,268.48
  4. Step 4: Simplify right side
    93,956.43x = 11,453,544,378.49
  5. Step 5: Solve for x
    x = 11,453,544,378.49/93,956.43
  6. Step 6: Final answer
    x = 121,902.72

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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.