Home / 62,947.98-86,879.87-36,090.68

Finding the Fourth Proportional to 62,947.98, 86,879.87 and 36,090.68

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Solution

The fourth proportional to 62,947.98, 86,879.87 and 36,090.68 is: 49,811.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,947.98 : 86,879.87 = 36,090.68 : x
  2. Step 2: Convert to fraction form
    62,947.98/86,879.87 = 36,090.68/x
  3. Step 3: Cross multiply
    62,947.98x = 86,879.87 × 36,090.68
  4. Step 4: Simplify right side
    62,947.98x = 3,135,552,971.76
  5. Step 5: Solve for x
    x = 3,135,552,971.76/62,947.98
  6. Step 6: Final answer
    x = 49,811.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.