Home / 91,048.89-125,647.99-50,765.16

Finding the Fourth Proportional to 91,048.89, 125,647.99 and 50,765.16

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Solution

The fourth proportional to 91,048.89, 125,647.99 and 50,765.16 is: 70,056.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,048.89 : 125,647.99 = 50,765.16 : x
  2. Step 2: Convert to fraction form
    91,048.89/125,647.99 = 50,765.16/x
  3. Step 3: Cross multiply
    91,048.89x = 125,647.99 × 50,765.16
  4. Step 4: Simplify right side
    91,048.89x = 6,378,540,316.03
  5. Step 5: Solve for x
    x = 6,378,540,316.03/91,048.89
  6. Step 6: Final answer
    x = 70,056.21

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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.