Home / 75,085.20-112,336.20-48,841.20

Finding the Fourth Proportional to 75,085.20, 112,336.20 and 48,841.20

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Solution

The fourth proportional to 75,085.20, 112,336.20 and 48,841.20 is: 73,072.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,085.20 : 112,336.20 = 48,841.20 : x
  2. Step 2: Convert to fraction form
    75,085.20/112,336.20 = 48,841.20/x
  3. Step 3: Cross multiply
    75,085.20x = 112,336.20 × 48,841.20
  4. Step 4: Simplify right side
    75,085.20x = 5,486,634,811.44
  5. Step 5: Solve for x
    x = 5,486,634,811.44/75,085.20
  6. Step 6: Final answer
    x = 73,072.12

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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.