Home / 86,032.23-128,998.11-33,380.22

Finding the Fourth Proportional to 86,032.23, 128,998.11 and 33,380.22

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Solution

The fourth proportional to 86,032.23, 128,998.11 and 33,380.22 is: 50,050.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,032.23 : 128,998.11 = 33,380.22 : x
  2. Step 2: Convert to fraction form
    86,032.23/128,998.11 = 33,380.22/x
  3. Step 3: Cross multiply
    86,032.23x = 128,998.11 × 33,380.22
  4. Step 4: Simplify right side
    86,032.23x = 4,305,985,291.38
  5. Step 5: Solve for x
    x = 4,305,985,291.38/86,032.23
  6. Step 6: Final answer
    x = 50,050.84

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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.