Home / 71,716.50-98,873.73-62,681.94

Finding the Fourth Proportional to 71,716.50, 98,873.73 and 62,681.94

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Solution

The fourth proportional to 71,716.50, 98,873.73 and 62,681.94 is: 86,418.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,716.50 : 98,873.73 = 62,681.94 : x
  2. Step 2: Convert to fraction form
    71,716.50/98,873.73 = 62,681.94/x
  3. Step 3: Cross multiply
    71,716.50x = 98,873.73 × 62,681.94
  4. Step 4: Simplify right side
    71,716.50x = 6,197,597,211.44
  5. Step 5: Solve for x
    x = 6,197,597,211.44/71,716.50
  6. Step 6: Final answer
    x = 86,418.01

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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.