Home / 57,648.20-86,601.90-40,152.20

Finding the Fourth Proportional to 57,648.20, 86,601.90 and 40,152.20

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Solution

The fourth proportional to 57,648.20, 86,601.90 and 40,152.20 is: 60,318.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,648.20 : 86,601.90 = 40,152.20 : x
  2. Step 2: Convert to fraction form
    57,648.20/86,601.90 = 40,152.20/x
  3. Step 3: Cross multiply
    57,648.20x = 86,601.90 × 40,152.20
  4. Step 4: Simplify right side
    57,648.20x = 3,477,256,809.18
  5. Step 5: Solve for x
    x = 3,477,256,809.18/57,648.20
  6. Step 6: Final answer
    x = 60,318.57

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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.