Home / 55,831.14-83,729.63-18,383.56

Finding the Fourth Proportional to 55,831.14, 83,729.63 and 18,383.56

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Solution

The fourth proportional to 55,831.14, 83,729.63 and 18,383.56 is: 27,569.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,831.14 : 83,729.63 = 18,383.56 : x
  2. Step 2: Convert to fraction form
    55,831.14/83,729.63 = 18,383.56/x
  3. Step 3: Cross multiply
    55,831.14x = 83,729.63 × 18,383.56
  4. Step 4: Simplify right side
    55,831.14x = 1,539,248,513.52
  5. Step 5: Solve for x
    x = 1,539,248,513.52/55,831.14
  6. Step 6: Final answer
    x = 27,569.71

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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.