Home / 58,144.75-87,184.32-20,176.21

Finding the Fourth Proportional to 58,144.75, 87,184.32 and 20,176.21

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Solution

The fourth proportional to 58,144.75, 87,184.32 and 20,176.21 is: 30,252.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,144.75 : 87,184.32 = 20,176.21 : x
  2. Step 2: Convert to fraction form
    58,144.75/87,184.32 = 20,176.21/x
  3. Step 3: Cross multiply
    58,144.75x = 87,184.32 × 20,176.21
  4. Step 4: Simplify right side
    58,144.75x = 1,759,049,149.03
  5. Step 5: Solve for x
    x = 1,759,049,149.03/58,144.75
  6. Step 6: Final answer
    x = 30,252.93

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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.