Home / 68,898.31-95,072.32-38,686.93

Finding the Fourth Proportional to 68,898.31, 95,072.32 and 38,686.93

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Solution

The fourth proportional to 68,898.31, 95,072.32 and 38,686.93 is: 53,383.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,898.31 : 95,072.32 = 38,686.93 : x
  2. Step 2: Convert to fraction form
    68,898.31/95,072.32 = 38,686.93/x
  3. Step 3: Cross multiply
    68,898.31x = 95,072.32 × 38,686.93
  4. Step 4: Simplify right side
    68,898.31x = 3,678,056,188.78
  5. Step 5: Solve for x
    x = 3,678,056,188.78/68,898.31
  6. Step 6: Final answer
    x = 53,383.84

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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.