Home / 56,778.48-85,243.08-48,511.62

Finding the Fourth Proportional to 56,778.48, 85,243.08 and 48,511.62

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Solution

The fourth proportional to 56,778.48, 85,243.08 and 48,511.62 is: 72,831.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,778.48 : 85,243.08 = 48,511.62 : x
  2. Step 2: Convert to fraction form
    56,778.48/85,243.08 = 48,511.62/x
  3. Step 3: Cross multiply
    56,778.48x = 85,243.08 × 48,511.62
  4. Step 4: Simplify right side
    56,778.48x = 4,135,279,904.59
  5. Step 5: Solve for x
    x = 4,135,279,904.59/56,778.48
  6. Step 6: Final answer
    x = 72,831.82

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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.