Home / 114,827.81-172,244.96-31,721.81

Finding the Fourth Proportional to 114,827.81, 172,244.96 and 31,721.81

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Solution

The fourth proportional to 114,827.81, 172,244.96 and 31,721.81 is: 47,583.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,827.81 : 172,244.96 = 31,721.81 : x
  2. Step 2: Convert to fraction form
    114,827.81/172,244.96 = 31,721.81/x
  3. Step 3: Cross multiply
    114,827.81x = 172,244.96 × 31,721.81
  4. Step 4: Simplify right side
    114,827.81x = 5,463,921,894.58
  5. Step 5: Solve for x
    x = 5,463,921,894.58/114,827.81
  6. Step 6: Final answer
    x = 47,583.61

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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.