Home / 115,011.04-172,516.56-31,905.04

Finding the Fourth Proportional to 115,011.04, 172,516.56 and 31,905.04

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Solution

The fourth proportional to 115,011.04, 172,516.56 and 31,905.04 is: 47,857.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,011.04 : 172,516.56 = 31,905.04 : x
  2. Step 2: Convert to fraction form
    115,011.04/172,516.56 = 31,905.04/x
  3. Step 3: Cross multiply
    115,011.04x = 172,516.56 × 31,905.04
  4. Step 4: Simplify right side
    115,011.04x = 5,504,147,747.46
  5. Step 5: Solve for x
    x = 5,504,147,747.46/115,011.04
  6. Step 6: Final answer
    x = 47,857.56

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1.5x scale

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.