Home / 71,968.25-99,334.00-49,036.01

Finding the Fourth Proportional to 71,968.25, 99,334.00 and 49,036.01

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Solution

The fourth proportional to 71,968.25, 99,334.00 and 49,036.01 is: 67,681.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,968.25 : 99,334.00 = 49,036.01 : x
  2. Step 2: Convert to fraction form
    71,968.25/99,334.00 = 49,036.01/x
  3. Step 3: Cross multiply
    71,968.25x = 99,334.00 × 49,036.01
  4. Step 4: Simplify right side
    71,968.25x = 4,870,942,581.97
  5. Step 5: Solve for x
    x = 4,870,942,581.97/71,968.25
  6. Step 6: Final answer
    x = 67,681.82

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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.