Home / 114,979.28-172,478.52-31,873.52

Finding the Fourth Proportional to 114,979.28, 172,478.52 and 31,873.52

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Solution

The fourth proportional to 114,979.28, 172,478.52 and 31,873.52 is: 47,812.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,979.28 : 172,478.52 = 31,873.52 : x
  2. Step 2: Convert to fraction form
    114,979.28/172,478.52 = 31,873.52/x
  3. Step 3: Cross multiply
    114,979.28x = 172,478.52 × 31,873.52
  4. Step 4: Simplify right side
    114,979.28x = 5,497,497,556.79
  5. Step 5: Solve for x
    x = 5,497,497,556.79/114,979.28
  6. Step 6: Final answer
    x = 47,812.94

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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.