Home / 91,413.18-126,170.62-55,595.68

Finding the Fourth Proportional to 91,413.18, 126,170.62 and 55,595.68

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Solution

The fourth proportional to 91,413.18, 126,170.62 and 55,595.68 is: 76,734.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,413.18 : 126,170.62 = 55,595.68 : x
  2. Step 2: Convert to fraction form
    91,413.18/126,170.62 = 55,595.68/x
  3. Step 3: Cross multiply
    91,413.18x = 126,170.62 × 55,595.68
  4. Step 4: Simplify right side
    91,413.18x = 7,014,541,414.92
  5. Step 5: Solve for x
    x = 7,014,541,414.92/91,413.18
  6. Step 6: Final answer
    x = 76,734.46

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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.