Home / 52,831.20-79,246.80-51,295.20

Finding the Fourth Proportional to 52,831.20, 79,246.80 and 51,295.20

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Solution

The fourth proportional to 52,831.20, 79,246.80 and 51,295.20 is: 76,942.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,831.20 : 79,246.80 = 51,295.20 : x
  2. Step 2: Convert to fraction form
    52,831.20/79,246.80 = 51,295.20/x
  3. Step 3: Cross multiply
    52,831.20x = 79,246.80 × 51,295.20
  4. Step 4: Simplify right side
    52,831.20x = 4,064,980,455.36
  5. Step 5: Solve for x
    x = 4,064,980,455.36/52,831.20
  6. Step 6: Final answer
    x = 76,942.80

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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.