Home / 72,493.46-108,819.74-57,596.33

Finding the Fourth Proportional to 72,493.46, 108,819.74 and 57,596.33

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Solution

The fourth proportional to 72,493.46, 108,819.74 and 57,596.33 is: 86,457.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,493.46 : 108,819.74 = 57,596.33 : x
  2. Step 2: Convert to fraction form
    72,493.46/108,819.74 = 57,596.33/x
  3. Step 3: Cross multiply
    72,493.46x = 108,819.74 × 57,596.33
  4. Step 4: Simplify right side
    72,493.46x = 6,267,617,747.62
  5. Step 5: Solve for x
    x = 6,267,617,747.62/72,493.46
  6. Step 6: Final answer
    x = 86,457.69

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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.