Home / 53,711.96-80,590.74-28,745.54

Finding the Fourth Proportional to 53,711.96, 80,590.74 and 28,745.54

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Solution

The fourth proportional to 53,711.96, 80,590.74 and 28,745.54 is: 43,130.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,711.96 : 80,590.74 = 28,745.54 : x
  2. Step 2: Convert to fraction form
    53,711.96/80,590.74 = 28,745.54/x
  3. Step 3: Cross multiply
    53,711.96x = 80,590.74 × 28,745.54
  4. Step 4: Simplify right side
    53,711.96x = 2,316,623,937.35
  5. Step 5: Solve for x
    x = 2,316,623,937.35/53,711.96
  6. Step 6: Final answer
    x = 43,130.51

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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.