Home / 105,614.87-158,218.16-58,725.59

Finding the Fourth Proportional to 105,614.87, 158,218.16 and 58,725.59

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Solution

The fourth proportional to 105,614.87, 158,218.16 and 58,725.59 is: 87,974.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,614.87 : 158,218.16 = 58,725.59 : x
  2. Step 2: Convert to fraction form
    105,614.87/158,218.16 = 58,725.59/x
  3. Step 3: Cross multiply
    105,614.87x = 158,218.16 × 58,725.59
  4. Step 4: Simplify right side
    105,614.87x = 9,291,454,794.71
  5. Step 5: Solve for x
    x = 9,291,454,794.71/105,614.87
  6. Step 6: Final answer
    x = 87,974.87

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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.