Home / 55,260.47-82,831.69-31,516.90

Finding the Fourth Proportional to 55,260.47, 82,831.69 and 31,516.90

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Solution

The fourth proportional to 55,260.47, 82,831.69 and 31,516.90 is: 47,241.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,260.47 : 82,831.69 = 31,516.90 : x
  2. Step 2: Convert to fraction form
    55,260.47/82,831.69 = 31,516.90/x
  3. Step 3: Cross multiply
    55,260.47x = 82,831.69 × 31,516.90
  4. Step 4: Simplify right side
    55,260.47x = 2,610,597,932.98
  5. Step 5: Solve for x
    x = 2,610,597,932.98/55,260.47
  6. Step 6: Final answer
    x = 47,241.69

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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.