Home / 115,423.04-173,149.44-40,537.76

Finding the Fourth Proportional to 115,423.04, 173,149.44 and 40,537.76

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Solution

The fourth proportional to 115,423.04, 173,149.44 and 40,537.76 is: 60,811.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,423.04 : 173,149.44 = 40,537.76 : x
  2. Step 2: Convert to fraction form
    115,423.04/173,149.44 = 40,537.76/x
  3. Step 3: Cross multiply
    115,423.04x = 173,149.44 × 40,537.76
  4. Step 4: Simplify right side
    115,423.04x = 7,019,090,442.85
  5. Step 5: Solve for x
    x = 7,019,090,442.85/115,423.04
  6. Step 6: Final answer
    x = 60,811.87

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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.