Home / 49,932.80-74,909.60-16,663.20

Finding the Fourth Proportional to 49,932.80, 74,909.60 and 16,663.20

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Solution

The fourth proportional to 49,932.80, 74,909.60 and 16,663.20 is: 24,998.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,932.80 : 74,909.60 = 16,663.20 : x
  2. Step 2: Convert to fraction form
    49,932.80/74,909.60 = 16,663.20/x
  3. Step 3: Cross multiply
    49,932.80x = 74,909.60 × 16,663.20
  4. Step 4: Simplify right side
    49,932.80x = 1,248,233,646.72
  5. Step 5: Solve for x
    x = 1,248,233,646.72/49,932.80
  6. Step 6: Final answer
    x = 24,998.27

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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.