Home / 45,762.68-63,189.24-36,781.40

Finding the Fourth Proportional to 45,762.68, 63,189.24 and 36,781.40

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Solution

The fourth proportional to 45,762.68, 63,189.24 and 36,781.40 is: 50,787.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,762.68 : 63,189.24 = 36,781.40 : x
  2. Step 2: Convert to fraction form
    45,762.68/63,189.24 = 36,781.40/x
  3. Step 3: Cross multiply
    45,762.68x = 63,189.24 × 36,781.40
  4. Step 4: Simplify right side
    45,762.68x = 2,324,188,712.14
  5. Step 5: Solve for x
    x = 2,324,188,712.14/45,762.68
  6. Step 6: Final answer
    x = 50,787.86

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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.