Home / 74,825.82-112,140.32-35,394.21

Finding the Fourth Proportional to 74,825.82, 112,140.32 and 35,394.21

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Solution

The fourth proportional to 74,825.82, 112,140.32 and 35,394.21 is: 53,044.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,825.82 : 112,140.32 = 35,394.21 : x
  2. Step 2: Convert to fraction form
    74,825.82/112,140.32 = 35,394.21/x
  3. Step 3: Cross multiply
    74,825.82x = 112,140.32 × 35,394.21
  4. Step 4: Simplify right side
    74,825.82x = 3,969,117,858.58
  5. Step 5: Solve for x
    x = 3,969,117,858.58/74,825.82
  6. Step 6: Final answer
    x = 53,044.76

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1.5x scale

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.