Home / 87,563.48-131,343.86-59,413.55

Finding the Fourth Proportional to 87,563.48, 131,343.86 and 59,413.55

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Solution

The fourth proportional to 87,563.48, 131,343.86 and 59,413.55 is: 89,119.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,563.48 : 131,343.86 = 59,413.55 : x
  2. Step 2: Convert to fraction form
    87,563.48/131,343.86 = 59,413.55/x
  3. Step 3: Cross multiply
    87,563.48x = 131,343.86 × 59,413.55
  4. Step 4: Simplify right side
    87,563.48x = 7,803,604,485.12
  5. Step 5: Solve for x
    x = 7,803,604,485.12/87,563.48
  6. Step 6: Final answer
    x = 89,119.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.