Home / 86,805.18-119,794.56-50,994.88

Finding the Fourth Proportional to 86,805.18, 119,794.56 and 50,994.88

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Solution

The fourth proportional to 86,805.18, 119,794.56 and 50,994.88 is: 70,374.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,805.18 : 119,794.56 = 50,994.88 : x
  2. Step 2: Convert to fraction form
    86,805.18/119,794.56 = 50,994.88/x
  3. Step 3: Cross multiply
    86,805.18x = 119,794.56 × 50,994.88
  4. Step 4: Simplify right side
    86,805.18x = 6,108,909,211.85
  5. Step 5: Solve for x
    x = 6,108,909,211.85/86,805.18
  6. Step 6: Final answer
    x = 70,374.94

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1.5x scale

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.