Home / 115,331.40-173,014.92-48,771.90

Finding the Fourth Proportional to 115,331.40, 173,014.92 and 48,771.90

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Solution

The fourth proportional to 115,331.40, 173,014.92 and 48,771.90 is: 73,165.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,331.40 : 173,014.92 = 48,771.90 : x
  2. Step 2: Convert to fraction form
    115,331.40/173,014.92 = 48,771.90/x
  3. Step 3: Cross multiply
    115,331.40x = 173,014.92 × 48,771.90
  4. Step 4: Simplify right side
    115,331.40x = 8,438,266,376.75
  5. Step 5: Solve for x
    x = 8,438,266,376.75/115,331.40
  6. Step 6: Final answer
    x = 73,165.39

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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.