Home / 68,912.51-95,109.66-42,070.64

Finding the Fourth Proportional to 68,912.51, 95,109.66 and 42,070.64

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Solution

The fourth proportional to 68,912.51, 95,109.66 and 42,070.64 is: 58,063.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,912.51 : 95,109.66 = 42,070.64 : x
  2. Step 2: Convert to fraction form
    68,912.51/95,109.66 = 42,070.64/x
  3. Step 3: Cross multiply
    68,912.51x = 95,109.66 × 42,070.64
  4. Step 4: Simplify right side
    68,912.51x = 4,001,323,790.83
  5. Step 5: Solve for x
    x = 4,001,323,790.83/68,912.51
  6. Step 6: Final answer
    x = 58,063.83

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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.