Home / 56,723.40-84,998.70-47,910.60

Finding the Fourth Proportional to 56,723.40, 84,998.70 and 47,910.60

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Solution

The fourth proportional to 56,723.40, 84,998.70 and 47,910.60 is: 71,792.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,723.40 : 84,998.70 = 47,910.60 : x
  2. Step 2: Convert to fraction form
    56,723.40/84,998.70 = 47,910.60/x
  3. Step 3: Cross multiply
    56,723.40x = 84,998.70 × 47,910.60
  4. Step 4: Simplify right side
    56,723.40x = 4,072,338,716.22
  5. Step 5: Solve for x
    x = 4,072,338,716.22/56,723.40
  6. Step 6: Final answer
    x = 71,792.92

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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.