Home / 87,149.49-130,710.55-23,974.35

Finding the Fourth Proportional to 87,149.49, 130,710.55 and 23,974.35

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Solution

The fourth proportional to 87,149.49, 130,710.55 and 23,974.35 is: 35,957.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,149.49 : 130,710.55 = 23,974.35 : x
  2. Step 2: Convert to fraction form
    87,149.49/130,710.55 = 23,974.35/x
  3. Step 3: Cross multiply
    87,149.49x = 130,710.55 × 23,974.35
  4. Step 4: Simplify right side
    87,149.49x = 3,133,700,474.39
  5. Step 5: Solve for x
    x = 3,133,700,474.39/87,149.49
  6. Step 6: Final answer
    x = 35,957.76

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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.