Home / 67,178.16-100,614.06-32,142.60

Finding the Fourth Proportional to 67,178.16, 100,614.06 and 32,142.60

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Solution

The fourth proportional to 67,178.16, 100,614.06 and 32,142.60 is: 48,140.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,178.16 : 100,614.06 = 32,142.60 : x
  2. Step 2: Convert to fraction form
    67,178.16/100,614.06 = 32,142.60/x
  3. Step 3: Cross multiply
    67,178.16x = 100,614.06 × 32,142.60
  4. Step 4: Simplify right side
    67,178.16x = 3,233,997,484.96
  5. Step 5: Solve for x
    x = 3,233,997,484.96/67,178.16
  6. Step 6: Final answer
    x = 48,140.61

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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.