Home / 101,945.97-152,918.96-31,831.29

Finding the Fourth Proportional to 101,945.97, 152,918.96 and 31,831.29

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Solution

The fourth proportional to 101,945.97, 152,918.96 and 31,831.29 is: 47,746.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,945.97 : 152,918.96 = 31,831.29 : x
  2. Step 2: Convert to fraction form
    101,945.97/152,918.96 = 31,831.29/x
  3. Step 3: Cross multiply
    101,945.97x = 152,918.96 × 31,831.29
  4. Step 4: Simplify right side
    101,945.97x = 4,867,607,603.10
  5. Step 5: Solve for x
    x = 4,867,607,603.10/101,945.97
  6. Step 6: Final answer
    x = 47,746.94

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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.