Home / 85,372.04-128,074.44-32,777.36

Finding the Fourth Proportional to 85,372.04, 128,074.44 and 32,777.36

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Solution

The fourth proportional to 85,372.04, 128,074.44 and 32,777.36 is: 49,172.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,372.04 : 128,074.44 = 32,777.36 : x
  2. Step 2: Convert to fraction form
    85,372.04/128,074.44 = 32,777.36/x
  3. Step 3: Cross multiply
    85,372.04x = 128,074.44 × 32,777.36
  4. Step 4: Simplify right side
    85,372.04x = 4,197,942,026.68
  5. Step 5: Solve for x
    x = 4,197,942,026.68/85,372.04
  6. Step 6: Final answer
    x = 49,172.33

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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.