Home / 77,104.08-115,770.60-47,436.48

Finding the Fourth Proportional to 77,104.08, 115,770.60 and 47,436.48

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Solution

The fourth proportional to 77,104.08, 115,770.60 and 47,436.48 is: 71,225.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,104.08 : 115,770.60 = 47,436.48 : x
  2. Step 2: Convert to fraction form
    77,104.08/115,770.60 = 47,436.48/x
  3. Step 3: Cross multiply
    77,104.08x = 115,770.60 × 47,436.48
  4. Step 4: Simplify right side
    77,104.08x = 5,491,749,751.49
  5. Step 5: Solve for x
    x = 5,491,749,751.49/77,104.08
  6. Step 6: Final answer
    x = 71,225.15

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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.