Home / 99,696.12-149,569.38-33,136.58

Finding the Fourth Proportional to 99,696.12, 149,569.38 and 33,136.58

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Solution

The fourth proportional to 99,696.12, 149,569.38 and 33,136.58 is: 49,713.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,696.12 : 149,569.38 = 33,136.58 : x
  2. Step 2: Convert to fraction form
    99,696.12/149,569.38 = 33,136.58/x
  3. Step 3: Cross multiply
    99,696.12x = 149,569.38 × 33,136.58
  4. Step 4: Simplify right side
    99,696.12x = 4,956,216,978.07
  5. Step 5: Solve for x
    x = 4,956,216,978.07/99,696.12
  6. Step 6: Final answer
    x = 49,713.24

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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.