Home / 114,772.38-172,168.49-31,666.38

Finding the Fourth Proportional to 114,772.38, 172,168.49 and 31,666.38

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Solution

The fourth proportional to 114,772.38, 172,168.49 and 31,666.38 is: 47,502.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,772.38 : 172,168.49 = 31,666.38 : x
  2. Step 2: Convert to fraction form
    114,772.38/172,168.49 = 31,666.38/x
  3. Step 3: Cross multiply
    114,772.38x = 172,168.49 × 31,666.38
  4. Step 4: Simplify right side
    114,772.38x = 5,451,952,828.37
  5. Step 5: Solve for x
    x = 5,451,952,828.37/114,772.38
  6. Step 6: Final answer
    x = 47,502.31

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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.