Home / 57,185.92-85,776.16-15,632.80

Finding the Fourth Proportional to 57,185.92, 85,776.16 and 15,632.80

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Solution

The fourth proportional to 57,185.92, 85,776.16 and 15,632.80 is: 23,448.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,185.92 : 85,776.16 = 15,632.80 : x
  2. Step 2: Convert to fraction form
    57,185.92/85,776.16 = 15,632.80/x
  3. Step 3: Cross multiply
    57,185.92x = 85,776.16 × 15,632.80
  4. Step 4: Simplify right side
    57,185.92x = 1,340,921,554.05
  5. Step 5: Solve for x
    x = 1,340,921,554.05/57,185.92
  6. Step 6: Final answer
    x = 23,448.46

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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.