Home / 99,735.90-149,525.07-49,788.46

Finding the Fourth Proportional to 99,735.90, 149,525.07 and 49,788.46

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Solution

The fourth proportional to 99,735.90, 149,525.07 and 49,788.46 is: 74,643.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,735.90 : 149,525.07 = 49,788.46 : x
  2. Step 2: Convert to fraction form
    99,735.90/149,525.07 = 49,788.46/x
  3. Step 3: Cross multiply
    99,735.90x = 149,525.07 × 49,788.46
  4. Step 4: Simplify right side
    99,735.90x = 7,444,622,966.69
  5. Step 5: Solve for x
    x = 7,444,622,966.69/99,735.90
  6. Step 6: Final answer
    x = 74,643.36

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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.