Home / 75,672.58-104,419.02-43,405.52

Finding the Fourth Proportional to 75,672.58, 104,419.02 and 43,405.52

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Solution

The fourth proportional to 75,672.58, 104,419.02 and 43,405.52 is: 59,894.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,672.58 : 104,419.02 = 43,405.52 : x
  2. Step 2: Convert to fraction form
    75,672.58/104,419.02 = 43,405.52/x
  3. Step 3: Cross multiply
    75,672.58x = 104,419.02 × 43,405.52
  4. Step 4: Simplify right side
    75,672.58x = 4,532,361,860.99
  5. Step 5: Solve for x
    x = 4,532,361,860.99/75,672.58
  6. Step 6: Final answer
    x = 59,894.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.