Home / 55,705.33-76,873.48-31,831.95

Finding the Fourth Proportional to 55,705.33, 76,873.48 and 31,831.95

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Solution

The fourth proportional to 55,705.33, 76,873.48 and 31,831.95 is: 43,928.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,705.33 : 76,873.48 = 31,831.95 : x
  2. Step 2: Convert to fraction form
    55,705.33/76,873.48 = 31,831.95/x
  3. Step 3: Cross multiply
    55,705.33x = 76,873.48 × 31,831.95
  4. Step 4: Simplify right side
    55,705.33x = 2,447,032,771.69
  5. Step 5: Solve for x
    x = 2,447,032,771.69/55,705.33
  6. Step 6: Final answer
    x = 43,928.16

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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.