Home / 63,220.83-94,831.26-18,878.73

Finding the Fourth Proportional to 63,220.83, 94,831.26 and 18,878.73

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Solution

The fourth proportional to 63,220.83, 94,831.26 and 18,878.73 is: 28,318.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,220.83 : 94,831.26 = 18,878.73 : x
  2. Step 2: Convert to fraction form
    63,220.83/94,831.26 = 18,878.73/x
  3. Step 3: Cross multiply
    63,220.83x = 94,831.26 × 18,878.73
  4. Step 4: Simplify right side
    63,220.83x = 1,790,293,753.10
  5. Step 5: Solve for x
    x = 1,790,293,753.10/63,220.83
  6. Step 6: Final answer
    x = 28,318.10

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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.