Home / 74,817.68-112,277.36-30,452.52

Finding the Fourth Proportional to 74,817.68, 112,277.36 and 30,452.52

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Solution

The fourth proportional to 74,817.68, 112,277.36 and 30,452.52 is: 45,699.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,817.68 : 112,277.36 = 30,452.52 : x
  2. Step 2: Convert to fraction form
    74,817.68/112,277.36 = 30,452.52/x
  3. Step 3: Cross multiply
    74,817.68x = 112,277.36 × 30,452.52
  4. Step 4: Simplify right side
    74,817.68x = 3,419,128,550.95
  5. Step 5: Solve for x
    x = 3,419,128,550.95/74,817.68
  6. Step 6: Final answer
    x = 45,699.47

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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.