Home / 57,018.70-85,541.96-40,184.53

Finding the Fourth Proportional to 57,018.70, 85,541.96 and 40,184.53

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Solution

The fourth proportional to 57,018.70, 85,541.96 and 40,184.53 is: 60,286.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,018.70 : 85,541.96 = 40,184.53 : x
  2. Step 2: Convert to fraction form
    57,018.70/85,541.96 = 40,184.53/x
  3. Step 3: Cross multiply
    57,018.70x = 85,541.96 × 40,184.53
  4. Step 4: Simplify right side
    57,018.70x = 3,437,463,457.88
  5. Step 5: Solve for x
    x = 3,437,463,457.88/57,018.70
  6. Step 6: Final answer
    x = 60,286.60

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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.