Home / 50,875.44-76,308.30-31,143.84

Finding the Fourth Proportional to 50,875.44, 76,308.30 and 31,143.84

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Solution

The fourth proportional to 50,875.44, 76,308.30 and 31,143.84 is: 46,712.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,875.44 : 76,308.30 = 31,143.84 : x
  2. Step 2: Convert to fraction form
    50,875.44/76,308.30 = 31,143.84/x
  3. Step 3: Cross multiply
    50,875.44x = 76,308.30 × 31,143.84
  4. Step 4: Simplify right side
    50,875.44x = 2,376,533,485.87
  5. Step 5: Solve for x
    x = 2,376,533,485.87/50,875.44
  6. Step 6: Final answer
    x = 46,712.78

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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.