Home / 124,815.70-187,223.55-54,831.70

Finding the Fourth Proportional to 124,815.70, 187,223.55 and 54,831.70

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Solution

The fourth proportional to 124,815.70, 187,223.55 and 54,831.70 is: 82,247.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,815.70 : 187,223.55 = 54,831.70 : x
  2. Step 2: Convert to fraction form
    124,815.70/187,223.55 = 54,831.70/x
  3. Step 3: Cross multiply
    124,815.70x = 187,223.55 × 54,831.70
  4. Step 4: Simplify right side
    124,815.70x = 10,265,785,526.54
  5. Step 5: Solve for x
    x = 10,265,785,526.54/124,815.70
  6. Step 6: Final answer
    x = 82,247.55

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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.