Home / 99,835.80-149,825.96-39,055.03

Finding the Fourth Proportional to 99,835.80, 149,825.96 and 39,055.03

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Solution

The fourth proportional to 99,835.80, 149,825.96 and 39,055.03 is: 58,610.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,835.80 : 149,825.96 = 39,055.03 : x
  2. Step 2: Convert to fraction form
    99,835.80/149,825.96 = 39,055.03/x
  3. Step 3: Cross multiply
    99,835.80x = 149,825.96 × 39,055.03
  4. Step 4: Simplify right side
    99,835.80x = 5,851,457,516.35
  5. Step 5: Solve for x
    x = 5,851,457,516.35/99,835.80
  6. Step 6: Final answer
    x = 58,610.81

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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.