Home / 95,478.04-131,762.19-57,243.81

Finding the Fourth Proportional to 95,478.04, 131,762.19 and 57,243.81

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Solution

The fourth proportional to 95,478.04, 131,762.19 and 57,243.81 is: 78,997.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,478.04 : 131,762.19 = 57,243.81 : x
  2. Step 2: Convert to fraction form
    95,478.04/131,762.19 = 57,243.81/x
  3. Step 3: Cross multiply
    95,478.04x = 131,762.19 × 57,243.81
  4. Step 4: Simplify right side
    95,478.04x = 7,542,570,478.32
  5. Step 5: Solve for x
    x = 7,542,570,478.32/95,478.04
  6. Step 6: Final answer
    x = 78,997.96

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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.