Home / 103,934.67-155,831.95-83,968.73

Finding the Fourth Proportional to 103,934.67, 155,831.95 and 83,968.73

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Solution

The fourth proportional to 103,934.67, 155,831.95 and 83,968.73 is: 125,896.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,934.67 : 155,831.95 = 83,968.73 : x
  2. Step 2: Convert to fraction form
    103,934.67/155,831.95 = 83,968.73/x
  3. Step 3: Cross multiply
    103,934.67x = 155,831.95 × 83,968.73
  4. Step 4: Simplify right side
    103,934.67x = 13,085,010,406.82
  5. Step 5: Solve for x
    x = 13,085,010,406.82/103,934.67
  6. Step 6: Final answer
    x = 125,896.49

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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.