Home / 68,979.84-95,192.96-53,889.92

Finding the Fourth Proportional to 68,979.84, 95,192.96 and 53,889.92

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Solution

The fourth proportional to 68,979.84, 95,192.96 and 53,889.92 is: 74,368.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,979.84 : 95,192.96 = 53,889.92 : x
  2. Step 2: Convert to fraction form
    68,979.84/95,192.96 = 53,889.92/x
  3. Step 3: Cross multiply
    68,979.84x = 95,192.96 × 53,889.92
  4. Step 4: Simplify right side
    68,979.84x = 5,129,940,998.96
  5. Step 5: Solve for x
    x = 5,129,940,998.96/68,979.84
  6. Step 6: Final answer
    x = 74,368.70

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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.