Home / 57,707.21-86,591.30-40,948.52

Finding the Fourth Proportional to 57,707.21, 86,591.30 and 40,948.52

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Solution

The fourth proportional to 57,707.21, 86,591.30 and 40,948.52 is: 61,444.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,707.21 : 86,591.30 = 40,948.52 : x
  2. Step 2: Convert to fraction form
    57,707.21/86,591.30 = 40,948.52/x
  3. Step 3: Cross multiply
    57,707.21x = 86,591.30 × 40,948.52
  4. Step 4: Simplify right side
    57,707.21x = 3,545,784,942.18
  5. Step 5: Solve for x
    x = 3,545,784,942.18/57,707.21
  6. Step 6: Final answer
    x = 61,444.41

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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.