Home / 58,719.66-88,079.25-21,270.96

Finding the Fourth Proportional to 58,719.66, 88,079.25 and 21,270.96

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Solution

The fourth proportional to 58,719.66, 88,079.25 and 21,270.96 is: 31,906.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,719.66 : 88,079.25 = 21,270.96 : x
  2. Step 2: Convert to fraction form
    58,719.66/88,079.25 = 21,270.96/x
  3. Step 3: Cross multiply
    58,719.66x = 88,079.25 × 21,270.96
  4. Step 4: Simplify right side
    58,719.66x = 1,873,530,411.42
  5. Step 5: Solve for x
    x = 1,873,530,411.42/58,719.66
  6. Step 6: Final answer
    x = 31,906.36

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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.