Home / 77,413.01-106,831.17-43,429.05

Finding the Fourth Proportional to 77,413.01, 106,831.17 and 43,429.05

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Solution

The fourth proportional to 77,413.01, 106,831.17 and 43,429.05 is: 59,932.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,413.01 : 106,831.17 = 43,429.05 : x
  2. Step 2: Convert to fraction form
    77,413.01/106,831.17 = 43,429.05/x
  3. Step 3: Cross multiply
    77,413.01x = 106,831.17 × 43,429.05
  4. Step 4: Simplify right side
    77,413.01x = 4,639,576,223.49
  5. Step 5: Solve for x
    x = 4,639,576,223.49/77,413.01
  6. Step 6: Final answer
    x = 59,932.78

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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.