Home / 99,940.36-149,973-62,573.38

Finding the Fourth Proportional to 99,940.36, 149,973 and 62,573.38

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Solution

The fourth proportional to 99,940.36, 149,973 and 62,573.38 is: 93,899.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,940.36 : 149,973 = 62,573.38 : x
  2. Step 2: Convert to fraction form
    99,940.36/149,973 = 62,573.38/x
  3. Step 3: Cross multiply
    99,940.36x = 149,973 × 62,573.38
  4. Step 4: Simplify right side
    99,940.36x = 9,384,317,518.74
  5. Step 5: Solve for x
    x = 9,384,317,518.74/99,940.36
  6. Step 6: Final answer
    x = 93,899.18

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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.