Home / 63,213.60-87,237.30-36,356.10

Finding the Fourth Proportional to 63,213.60, 87,237.30 and 36,356.10

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Solution

The fourth proportional to 63,213.60, 87,237.30 and 36,356.10 is: 50,172.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,213.60 : 87,237.30 = 36,356.10 : x
  2. Step 2: Convert to fraction form
    63,213.60/87,237.30 = 36,356.10/x
  3. Step 3: Cross multiply
    63,213.60x = 87,237.30 × 36,356.10
  4. Step 4: Simplify right side
    63,213.60x = 3,171,608,002.53
  5. Step 5: Solve for x
    x = 3,171,608,002.53/63,213.60
  6. Step 6: Final answer
    x = 50,172.87

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1.5x scale

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.