Home / 71,634.29-98,858.41-39,803.11

Finding the Fourth Proportional to 71,634.29, 98,858.41 and 39,803.11

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Solution

The fourth proportional to 71,634.29, 98,858.41 and 39,803.11 is: 54,930.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,634.29 : 98,858.41 = 39,803.11 : x
  2. Step 2: Convert to fraction form
    71,634.29/98,858.41 = 39,803.11/x
  3. Step 3: Cross multiply
    71,634.29x = 98,858.41 × 39,803.11
  4. Step 4: Simplify right side
    71,634.29x = 3,934,871,821.00
  5. Step 5: Solve for x
    x = 3,934,871,821.00/71,634.29
  6. Step 6: Final answer
    x = 54,930.01

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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.