Home / 57,402.21-86,087.70-36,310.59

Finding the Fourth Proportional to 57,402.21, 86,087.70 and 36,310.59

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Solution

The fourth proportional to 57,402.21, 86,087.70 and 36,310.59 is: 54,456.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,402.21 : 86,087.70 = 36,310.59 : x
  2. Step 2: Convert to fraction form
    57,402.21/86,087.70 = 36,310.59/x
  3. Step 3: Cross multiply
    57,402.21x = 86,087.70 × 36,310.59
  4. Step 4: Simplify right side
    57,402.21x = 3,125,895,178.74
  5. Step 5: Solve for x
    x = 3,125,895,178.74/57,402.21
  6. Step 6: Final answer
    x = 54,456.01

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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.