Home / 83,165.22-114,768.36-45,440.28

Finding the Fourth Proportional to 83,165.22, 114,768.36 and 45,440.28

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Solution

The fourth proportional to 83,165.22, 114,768.36 and 45,440.28 is: 62,707.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,165.22 : 114,768.36 = 45,440.28 : x
  2. Step 2: Convert to fraction form
    83,165.22/114,768.36 = 45,440.28/x
  3. Step 3: Cross multiply
    83,165.22x = 114,768.36 × 45,440.28
  4. Step 4: Simplify right side
    83,165.22x = 5,215,106,413.54
  5. Step 5: Solve for x
    x = 5,215,106,413.54/83,165.22
  6. Step 6: Final answer
    x = 62,707.78

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1.5x scale

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.