Home / 99,797.40-149,696.28-66,582.36

Finding the Fourth Proportional to 99,797.40, 149,696.28 and 66,582.36

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Solution

The fourth proportional to 99,797.40, 149,696.28 and 66,582.36 is: 99,873.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,797.40 : 149,696.28 = 66,582.36 : x
  2. Step 2: Convert to fraction form
    99,797.40/149,696.28 = 66,582.36/x
  3. Step 3: Cross multiply
    99,797.40x = 149,696.28 × 66,582.36
  4. Step 4: Simplify right side
    99,797.40x = 9,967,131,605.62
  5. Step 5: Solve for x
    x = 9,967,131,605.62/99,797.40
  6. Step 6: Final answer
    x = 99,873.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.