Home / 57,086.40-78,796.08-33,223.68

Finding the Fourth Proportional to 57,086.40, 78,796.08 and 33,223.68

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Solution

The fourth proportional to 57,086.40, 78,796.08 and 33,223.68 is: 45,858.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,086.40 : 78,796.08 = 33,223.68 : x
  2. Step 2: Convert to fraction form
    57,086.40/78,796.08 = 33,223.68/x
  3. Step 3: Cross multiply
    57,086.40x = 78,796.08 × 33,223.68
  4. Step 4: Simplify right side
    57,086.40x = 2,617,895,747.17
  5. Step 5: Solve for x
    x = 2,617,895,747.17/57,086.40
  6. Step 6: Final answer
    x = 45,858.48

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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.