Home / 75,036.60-112,513.34-30,694.49

Finding the Fourth Proportional to 75,036.60, 112,513.34 and 30,694.49

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Solution

The fourth proportional to 75,036.60, 112,513.34 and 30,694.49 is: 46,024.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,036.60 : 112,513.34 = 30,694.49 : x
  2. Step 2: Convert to fraction form
    75,036.60/112,513.34 = 30,694.49/x
  3. Step 3: Cross multiply
    75,036.60x = 112,513.34 × 30,694.49
  4. Step 4: Simplify right side
    75,036.60x = 3,453,539,589.50
  5. Step 5: Solve for x
    x = 3,453,539,589.50/75,036.60
  6. Step 6: Final answer
    x = 46,024.73

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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.