Home / 91,413.02-126,149.61-51,126.62

Finding the Fourth Proportional to 91,413.02, 126,149.61 and 51,126.62

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Solution

The fourth proportional to 91,413.02, 126,149.61 and 51,126.62 is: 70,554.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,413.02 : 126,149.61 = 51,126.62 : x
  2. Step 2: Convert to fraction form
    91,413.02/126,149.61 = 51,126.62/x
  3. Step 3: Cross multiply
    91,413.02x = 126,149.61 × 51,126.62
  4. Step 4: Simplify right side
    91,413.02x = 6,449,603,173.62
  5. Step 5: Solve for x
    x = 6,449,603,173.62/91,413.02
  6. Step 6: Final answer
    x = 70,554.54

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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.