Home / 57,142.40-78,850.68-32,946.08

Finding the Fourth Proportional to 57,142.40, 78,850.68 and 32,946.08

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Solution

The fourth proportional to 57,142.40, 78,850.68 and 32,946.08 is: 45,462.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,142.40 : 78,850.68 = 32,946.08 : x
  2. Step 2: Convert to fraction form
    57,142.40/78,850.68 = 32,946.08/x
  3. Step 3: Cross multiply
    57,142.40x = 78,850.68 × 32,946.08
  4. Step 4: Simplify right side
    57,142.40x = 2,597,820,811.33
  5. Step 5: Solve for x
    x = 2,597,820,811.33/57,142.40
  6. Step 6: Final answer
    x = 45,462.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.