Home / 53,295.76-79,936.35-15,861.61

Finding the Fourth Proportional to 53,295.76, 79,936.35 and 15,861.61

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Solution

The fourth proportional to 53,295.76, 79,936.35 and 15,861.61 is: 23,790.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,295.76 : 79,936.35 = 15,861.61 : x
  2. Step 2: Convert to fraction form
    53,295.76/79,936.35 = 15,861.61/x
  3. Step 3: Cross multiply
    53,295.76x = 79,936.35 × 15,861.61
  4. Step 4: Simplify right side
    53,295.76x = 1,267,919,208.52
  5. Step 5: Solve for x
    x = 1,267,919,208.52/53,295.76
  6. Step 6: Final answer
    x = 23,790.25

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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.