Home / 76,260.22-114,404.70-28,889.50

Finding the Fourth Proportional to 76,260.22, 114,404.70 and 28,889.50

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Solution

The fourth proportional to 76,260.22, 114,404.70 and 28,889.50 is: 43,339.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,260.22 : 114,404.70 = 28,889.50 : x
  2. Step 2: Convert to fraction form
    76,260.22/114,404.70 = 28,889.50/x
  3. Step 3: Cross multiply
    76,260.22x = 114,404.70 × 28,889.50
  4. Step 4: Simplify right side
    76,260.22x = 3,305,094,580.65
  5. Step 5: Solve for x
    x = 3,305,094,580.65/76,260.22
  6. Step 6: Final answer
    x = 43,339.69

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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.