Home / 87,127.04-130,707.57-27,958.16

Finding the Fourth Proportional to 87,127.04, 130,707.57 and 27,958.16

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Solution

The fourth proportional to 87,127.04, 130,707.57 and 27,958.16 is: 41,942.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,127.04 : 130,707.57 = 27,958.16 : x
  2. Step 2: Convert to fraction form
    87,127.04/130,707.57 = 27,958.16/x
  3. Step 3: Cross multiply
    87,127.04x = 130,707.57 × 27,958.16
  4. Step 4: Simplify right side
    87,127.04x = 3,654,342,501.73
  5. Step 5: Solve for x
    x = 3,654,342,501.73/87,127.04
  6. Step 6: Final answer
    x = 41,942.69

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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.