Home / 57,207.57-85,803.81-15,090.94

Finding the Fourth Proportional to 57,207.57, 85,803.81 and 15,090.94

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Solution

The fourth proportional to 57,207.57, 85,803.81 and 15,090.94 is: 22,634.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,207.57 : 85,803.81 = 15,090.94 : x
  2. Step 2: Convert to fraction form
    57,207.57/85,803.81 = 15,090.94/x
  3. Step 3: Cross multiply
    57,207.57x = 85,803.81 × 15,090.94
  4. Step 4: Simplify right side
    57,207.57x = 1,294,860,199.15
  5. Step 5: Solve for x
    x = 1,294,860,199.15/57,207.57
  6. Step 6: Final answer
    x = 22,634.42

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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.