Home / 77,842.15-116,779.64-25,247.54

Finding the Fourth Proportional to 77,842.15, 116,779.64 and 25,247.54

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Solution

The fourth proportional to 77,842.15, 116,779.64 and 25,247.54 is: 37,876.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,842.15 : 116,779.64 = 25,247.54 : x
  2. Step 2: Convert to fraction form
    77,842.15/116,779.64 = 25,247.54/x
  3. Step 3: Cross multiply
    77,842.15x = 116,779.64 × 25,247.54
  4. Step 4: Simplify right side
    77,842.15x = 2,948,398,797.80
  5. Step 5: Solve for x
    x = 2,948,398,797.80/77,842.15
  6. Step 6: Final answer
    x = 37,876.64

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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.