Home / 57,313.75-85,931.42-29,179.36

Finding the Fourth Proportional to 57,313.75, 85,931.42 and 29,179.36

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Solution

The fourth proportional to 57,313.75, 85,931.42 and 29,179.36 is: 43,749.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,313.75 : 85,931.42 = 29,179.36 : x
  2. Step 2: Convert to fraction form
    57,313.75/85,931.42 = 29,179.36/x
  3. Step 3: Cross multiply
    57,313.75x = 85,931.42 × 29,179.36
  4. Step 4: Simplify right side
    57,313.75x = 2,507,424,073.47
  5. Step 5: Solve for x
    x = 2,507,424,073.47/57,313.75
  6. Step 6: Final answer
    x = 43,749.08

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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.