Home / 71,305.48-98,402.34-39,474.94

Finding the Fourth Proportional to 71,305.48, 98,402.34 and 39,474.94

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Solution

The fourth proportional to 71,305.48, 98,402.34 and 39,474.94 is: 54,475.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,305.48 : 98,402.34 = 39,474.94 : x
  2. Step 2: Convert to fraction form
    71,305.48/98,402.34 = 39,474.94/x
  3. Step 3: Cross multiply
    71,305.48x = 98,402.34 × 39,474.94
  4. Step 4: Simplify right side
    71,305.48x = 3,884,426,467.36
  5. Step 5: Solve for x
    x = 3,884,426,467.36/71,305.48
  6. Step 6: Final answer
    x = 54,475.85

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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.