Home / 112,993.72-169,516.55-49,831.80

Finding the Fourth Proportional to 112,993.72, 169,516.55 and 49,831.80

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Solution

The fourth proportional to 112,993.72, 169,516.55 and 49,831.80 is: 74,759.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,993.72 : 169,516.55 = 49,831.80 : x
  2. Step 2: Convert to fraction form
    112,993.72/169,516.55 = 49,831.80/x
  3. Step 3: Cross multiply
    112,993.72x = 169,516.55 × 49,831.80
  4. Step 4: Simplify right side
    112,993.72x = 8,447,314,816.29
  5. Step 5: Solve for x
    x = 8,447,314,816.29/112,993.72
  6. Step 6: Final answer
    x = 74,759.15

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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.