Home / 72,999.74-109,453.44-30,858.14

Finding the Fourth Proportional to 72,999.74, 109,453.44 and 30,858.14

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Solution

The fourth proportional to 72,999.74, 109,453.44 and 30,858.14 is: 46,267.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,999.74 : 109,453.44 = 30,858.14 : x
  2. Step 2: Convert to fraction form
    72,999.74/109,453.44 = 30,858.14/x
  3. Step 3: Cross multiply
    72,999.74x = 109,453.44 × 30,858.14
  4. Step 4: Simplify right side
    72,999.74x = 3,377,529,575.00
  5. Step 5: Solve for x
    x = 3,377,529,575.00/72,999.74
  6. Step 6: Final answer
    x = 46,267.69

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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.