Home / 53,762.72-80,644.26-18,702.68

Finding the Fourth Proportional to 53,762.72, 80,644.26 and 18,702.68

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Solution

The fourth proportional to 53,762.72, 80,644.26 and 18,702.68 is: 28,054.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,762.72 : 80,644.26 = 18,702.68 : x
  2. Step 2: Convert to fraction form
    53,762.72/80,644.26 = 18,702.68/x
  3. Step 3: Cross multiply
    53,762.72x = 80,644.26 × 18,702.68
  4. Step 4: Simplify right side
    53,762.72x = 1,508,263,788.62
  5. Step 5: Solve for x
    x = 1,508,263,788.62/53,762.72
  6. Step 6: Final answer
    x = 28,054.08

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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.