Home / 124,921.96-187,355.80-39,539.45

Finding the Fourth Proportional to 124,921.96, 187,355.80 and 39,539.45

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Solution

The fourth proportional to 124,921.96, 187,355.80 and 39,539.45 is: 59,300.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,921.96 : 187,355.80 = 39,539.45 : x
  2. Step 2: Convert to fraction form
    124,921.96/187,355.80 = 39,539.45/x
  3. Step 3: Cross multiply
    124,921.96x = 187,355.80 × 39,539.45
  4. Step 4: Simplify right side
    124,921.96x = 7,407,945,655.85
  5. Step 5: Solve for x
    x = 7,407,945,655.85/124,921.96
  6. Step 6: Final answer
    x = 59,300.59

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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.