Home / 57,732.40-86,599.92-45,894.36

Finding the Fourth Proportional to 57,732.40, 86,599.92 and 45,894.36

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Solution

The fourth proportional to 57,732.40, 86,599.92 and 45,894.36 is: 68,842.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,732.40 : 86,599.92 = 45,894.36 : x
  2. Step 2: Convert to fraction form
    57,732.40/86,599.92 = 45,894.36/x
  3. Step 3: Cross multiply
    57,732.40x = 86,599.92 × 45,894.36
  4. Step 4: Simplify right side
    57,732.40x = 3,974,447,241.98
  5. Step 5: Solve for x
    x = 3,974,447,241.98/57,732.40
  6. Step 6: Final answer
    x = 68,842.58

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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.