Home / 85,842.22-128,739.94-35,914.23

Finding the Fourth Proportional to 85,842.22, 128,739.94 and 35,914.23

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Solution

The fourth proportional to 85,842.22, 128,739.94 and 35,914.23 is: 53,861.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,842.22 : 128,739.94 = 35,914.23 : x
  2. Step 2: Convert to fraction form
    85,842.22/128,739.94 = 35,914.23/x
  3. Step 3: Cross multiply
    85,842.22x = 128,739.94 × 35,914.23
  4. Step 4: Simplify right side
    85,842.22x = 4,623,595,815.35
  5. Step 5: Solve for x
    x = 4,623,595,815.35/85,842.22
  6. Step 6: Final answer
    x = 53,861.56

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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.