Home / 83,611.20-125,457.80-39,241.56

Finding the Fourth Proportional to 83,611.20, 125,457.80 and 39,241.56

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Solution

The fourth proportional to 83,611.20, 125,457.80 and 39,241.56 is: 58,881.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,611.20 : 125,457.80 = 39,241.56 : x
  2. Step 2: Convert to fraction form
    83,611.20/125,457.80 = 39,241.56/x
  3. Step 3: Cross multiply
    83,611.20x = 125,457.80 × 39,241.56
  4. Step 4: Simplify right side
    83,611.20x = 4,923,159,786.17
  5. Step 5: Solve for x
    x = 4,923,159,786.17/83,611.20
  6. Step 6: Final answer
    x = 58,881.58

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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.