Home / 87,145.95-130,716.21-24,816.45

Finding the Fourth Proportional to 87,145.95, 130,716.21 and 24,816.45

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Solution

The fourth proportional to 87,145.95, 130,716.21 and 24,816.45 is: 37,223.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,145.95 : 130,716.21 = 24,816.45 : x
  2. Step 2: Convert to fraction form
    87,145.95/130,716.21 = 24,816.45/x
  3. Step 3: Cross multiply
    87,145.95x = 130,716.21 × 24,816.45
  4. Step 4: Simplify right side
    87,145.95x = 3,243,912,289.65
  5. Step 5: Solve for x
    x = 3,243,912,289.65/87,145.95
  6. Step 6: Final answer
    x = 37,223.90

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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.