Home / 53,081.20-79,599.12-18,004.96

Finding the Fourth Proportional to 53,081.20, 79,599.12 and 18,004.96

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Solution

The fourth proportional to 53,081.20, 79,599.12 and 18,004.96 is: 26,999.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,081.20 : 79,599.12 = 18,004.96 : x
  2. Step 2: Convert to fraction form
    53,081.20/79,599.12 = 18,004.96/x
  3. Step 3: Cross multiply
    53,081.20x = 79,599.12 × 18,004.96
  4. Step 4: Simplify right side
    53,081.20x = 1,433,178,971.64
  5. Step 5: Solve for x
    x = 1,433,178,971.64/53,081.20
  6. Step 6: Final answer
    x = 26,999.75

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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.