Home / 86,278.35-119,063.88-48,552.60

Finding the Fourth Proportional to 86,278.35, 119,063.88 and 48,552.60

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Solution

The fourth proportional to 86,278.35, 119,063.88 and 48,552.60 is: 67,002.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,278.35 : 119,063.88 = 48,552.60 : x
  2. Step 2: Convert to fraction form
    86,278.35/119,063.88 = 48,552.60/x
  3. Step 3: Cross multiply
    86,278.35x = 119,063.88 × 48,552.60
  4. Step 4: Simplify right side
    86,278.35x = 5,780,860,940.09
  5. Step 5: Solve for x
    x = 5,780,860,940.09/86,278.35
  6. Step 6: Final answer
    x = 67,002.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.