Home / 81,413.88-112,350.48-45,604.22

Finding the Fourth Proportional to 81,413.88, 112,350.48 and 45,604.22

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Solution

The fourth proportional to 81,413.88, 112,350.48 and 45,604.22 is: 62,933.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,413.88 : 112,350.48 = 45,604.22 : x
  2. Step 2: Convert to fraction form
    81,413.88/112,350.48 = 45,604.22/x
  3. Step 3: Cross multiply
    81,413.88x = 112,350.48 × 45,604.22
  4. Step 4: Simplify right side
    81,413.88x = 5,123,656,007.03
  5. Step 5: Solve for x
    x = 5,123,656,007.03/81,413.88
  6. Step 6: Final answer
    x = 62,933.45

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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.