Home / 87,145.14-130,717.71-60,901.14

Finding the Fourth Proportional to 87,145.14, 130,717.71 and 60,901.14

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Solution

The fourth proportional to 87,145.14, 130,717.71 and 60,901.14 is: 91,351.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,145.14 : 130,717.71 = 60,901.14 : x
  2. Step 2: Convert to fraction form
    87,145.14/130,717.71 = 60,901.14/x
  3. Step 3: Cross multiply
    87,145.14x = 130,717.71 × 60,901.14
  4. Step 4: Simplify right side
    87,145.14x = 7,960,857,557.19
  5. Step 5: Solve for x
    x = 7,960,857,557.19/87,145.14
  6. Step 6: Final answer
    x = 91,351.71

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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.