Home / 57,745.06-79,685.93-36,246.40

Finding the Fourth Proportional to 57,745.06, 79,685.93 and 36,246.40

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Solution

The fourth proportional to 57,745.06, 79,685.93 and 36,246.40 is: 50,018.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,745.06 : 79,685.93 = 36,246.40 : x
  2. Step 2: Convert to fraction form
    57,745.06/79,685.93 = 36,246.40/x
  3. Step 3: Cross multiply
    57,745.06x = 79,685.93 × 36,246.40
  4. Step 4: Simplify right side
    57,745.06x = 2,888,327,984.55
  5. Step 5: Solve for x
    x = 2,888,327,984.55/57,745.06
  6. Step 6: Final answer
    x = 50,018.62

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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.