Home / 75,447.27-104,119.43-41,457.87

Finding the Fourth Proportional to 75,447.27, 104,119.43 and 41,457.87

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Solution

The fourth proportional to 75,447.27, 104,119.43 and 41,457.87 is: 57,213.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,447.27 : 104,119.43 = 41,457.87 : x
  2. Step 2: Convert to fraction form
    75,447.27/104,119.43 = 41,457.87/x
  3. Step 3: Cross multiply
    75,447.27x = 104,119.43 × 41,457.87
  4. Step 4: Simplify right side
    75,447.27x = 4,316,569,586.12
  5. Step 5: Solve for x
    x = 4,316,569,586.12/75,447.27
  6. Step 6: Final answer
    x = 57,213.07

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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.