Home / 114,943.92-172,495.14-40,064.68

Finding the Fourth Proportional to 114,943.92, 172,495.14 and 40,064.68

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Solution

The fourth proportional to 114,943.92, 172,495.14 and 40,064.68 is: 60,124.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,943.92 : 172,495.14 = 40,064.68 : x
  2. Step 2: Convert to fraction form
    114,943.92/172,495.14 = 40,064.68/x
  3. Step 3: Cross multiply
    114,943.92x = 172,495.14 × 40,064.68
  4. Step 4: Simplify right side
    114,943.92x = 6,910,962,585.66
  5. Step 5: Solve for x
    x = 6,910,962,585.66/114,943.92
  6. Step 6: Final answer
    x = 60,124.65

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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.