Home / 45,557.96-68,379.66-28,061.96

Finding the Fourth Proportional to 45,557.96, 68,379.66 and 28,061.96

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Solution

The fourth proportional to 45,557.96, 68,379.66 and 28,061.96 is: 42,119.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,557.96 : 68,379.66 = 28,061.96 : x
  2. Step 2: Convert to fraction form
    45,557.96/68,379.66 = 28,061.96/x
  3. Step 3: Cross multiply
    45,557.96x = 68,379.66 × 28,061.96
  4. Step 4: Simplify right side
    45,557.96x = 1,918,867,283.73
  5. Step 5: Solve for x
    x = 1,918,867,283.73/45,557.96
  6. Step 6: Final answer
    x = 42,119.25

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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.