Home / 53,824.80-80,737.68-18,764.40

Finding the Fourth Proportional to 53,824.80, 80,737.68 and 18,764.40

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Solution

The fourth proportional to 53,824.80, 80,737.68 and 18,764.40 is: 28,146.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,824.80 : 80,737.68 = 18,764.40 : x
  2. Step 2: Convert to fraction form
    53,824.80/80,737.68 = 18,764.40/x
  3. Step 3: Cross multiply
    53,824.80x = 80,737.68 × 18,764.40
  4. Step 4: Simplify right side
    53,824.80x = 1,514,994,122.59
  5. Step 5: Solve for x
    x = 1,514,994,122.59/53,824.80
  6. Step 6: Final answer
    x = 28,146.77

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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.