Home / 114,963.35-172,445.09-31,857.35

Finding the Fourth Proportional to 114,963.35, 172,445.09 and 31,857.35

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Solution

The fourth proportional to 114,963.35, 172,445.09 and 31,857.35 is: 47,786.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,963.35 : 172,445.09 = 31,857.35 : x
  2. Step 2: Convert to fraction form
    114,963.35/172,445.09 = 31,857.35/x
  3. Step 3: Cross multiply
    114,963.35x = 172,445.09 × 31,857.35
  4. Step 4: Simplify right side
    114,963.35x = 5,493,643,587.91
  5. Step 5: Solve for x
    x = 5,493,643,587.91/114,963.35
  6. Step 6: Final answer
    x = 47,786.04

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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.