Home / 76,998.16-115,234.32-64,532.26

Finding the Fourth Proportional to 76,998.16, 115,234.32 and 64,532.26

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Solution

The fourth proportional to 76,998.16, 115,234.32 and 64,532.26 is: 96,578.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,998.16 : 115,234.32 = 64,532.26 : x
  2. Step 2: Convert to fraction form
    76,998.16/115,234.32 = 64,532.26/x
  3. Step 3: Cross multiply
    76,998.16x = 115,234.32 × 64,532.26
  4. Step 4: Simplify right side
    76,998.16x = 7,436,331,099.16
  5. Step 5: Solve for x
    x = 7,436,331,099.16/76,998.16
  6. Step 6: Final answer
    x = 96,578.04

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1.5x scale

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.