Home / 83,413.76-115,110.96-45,689.36

Finding the Fourth Proportional to 83,413.76, 115,110.96 and 45,689.36

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Solution

The fourth proportional to 83,413.76, 115,110.96 and 45,689.36 is: 63,051.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,413.76 : 115,110.96 = 45,689.36 : x
  2. Step 2: Convert to fraction form
    83,413.76/115,110.96 = 45,689.36/x
  3. Step 3: Cross multiply
    83,413.76x = 115,110.96 × 45,689.36
  4. Step 4: Simplify right side
    83,413.76x = 5,259,346,091.39
  5. Step 5: Solve for x
    x = 5,259,346,091.39/83,413.76
  6. Step 6: Final answer
    x = 63,051.30

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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.