Home / 75,313.47-103,931.91-41,321.31

Finding the Fourth Proportional to 75,313.47, 103,931.91 and 41,321.31

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Solution

The fourth proportional to 75,313.47, 103,931.91 and 41,321.31 is: 57,023.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,313.47 : 103,931.91 = 41,321.31 : x
  2. Step 2: Convert to fraction form
    75,313.47/103,931.91 = 41,321.31/x
  3. Step 3: Cross multiply
    75,313.47x = 103,931.91 × 41,321.31
  4. Step 4: Simplify right side
    75,313.47x = 4,294,602,672.00
  5. Step 5: Solve for x
    x = 4,294,602,672.00/75,313.47
  6. Step 6: Final answer
    x = 57,023.04

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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.