Home / 50,712.73-69,987.93-29,490.50

Finding the Fourth Proportional to 50,712.73, 69,987.93 and 29,490.50

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Solution

The fourth proportional to 50,712.73, 69,987.93 and 29,490.50 is: 40,699.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,712.73 : 69,987.93 = 29,490.50 : x
  2. Step 2: Convert to fraction form
    50,712.73/69,987.93 = 29,490.50/x
  3. Step 3: Cross multiply
    50,712.73x = 69,987.93 × 29,490.50
  4. Step 4: Simplify right side
    50,712.73x = 2,063,979,049.67
  5. Step 5: Solve for x
    x = 2,063,979,049.67/50,712.73
  6. Step 6: Final answer
    x = 40,699.43

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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.