Home / 115,321.92-173,051.20-48,758.40

Finding the Fourth Proportional to 115,321.92, 173,051.20 and 48,758.40

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Solution

The fourth proportional to 115,321.92, 173,051.20 and 48,758.40 is: 73,166.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,321.92 : 173,051.20 = 48,758.40 : x
  2. Step 2: Convert to fraction form
    115,321.92/173,051.20 = 48,758.40/x
  3. Step 3: Cross multiply
    115,321.92x = 173,051.20 × 48,758.40
  4. Step 4: Simplify right side
    115,321.92x = 8,437,699,630.08
  5. Step 5: Solve for x
    x = 8,437,699,630.08/115,321.92
  6. Step 6: Final answer
    x = 73,166.49

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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.