Home / 71,694.17-98,935.91-39,862.49

Finding the Fourth Proportional to 71,694.17, 98,935.91 and 39,862.49

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Solution

The fourth proportional to 71,694.17, 98,935.91 and 39,862.49 is: 55,009.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,694.17 : 98,935.91 = 39,862.49 : x
  2. Step 2: Convert to fraction form
    71,694.17/98,935.91 = 39,862.49/x
  3. Step 3: Cross multiply
    71,694.17x = 98,935.91 × 39,862.49
  4. Step 4: Simplify right side
    71,694.17x = 3,943,831,228.34
  5. Step 5: Solve for x
    x = 3,943,831,228.34/71,694.17
  6. Step 6: Final answer
    x = 55,009.10

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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.