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Finding the Fourth Proportional to 93,961.82, 129,673.26 and 62,074.82

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Solution

The fourth proportional to 93,961.82, 129,673.26 and 62,074.82 is: 85,667.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,961.82 : 129,673.26 = 62,074.82 : x
  2. Step 2: Convert to fraction form
    93,961.82/129,673.26 = 62,074.82/x
  3. Step 3: Cross multiply
    93,961.82x = 129,673.26 × 62,074.82
  4. Step 4: Simplify right side
    93,961.82x = 8,049,444,273.31
  5. Step 5: Solve for x
    x = 8,049,444,273.31/93,961.82
  6. Step 6: Final answer
    x = 85,667.18

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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.