Home / 86,970.44-120,021.12-48,732.86

Finding the Fourth Proportional to 86,970.44, 120,021.12 and 48,732.86

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Solution

The fourth proportional to 86,970.44, 120,021.12 and 48,732.86 is: 67,252.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,970.44 : 120,021.12 = 48,732.86 : x
  2. Step 2: Convert to fraction form
    86,970.44/120,021.12 = 48,732.86/x
  3. Step 3: Cross multiply
    86,970.44x = 120,021.12 × 48,732.86
  4. Step 4: Simplify right side
    86,970.44x = 5,848,972,738.06
  5. Step 5: Solve for x
    x = 5,848,972,738.06/86,970.44
  6. Step 6: Final answer
    x = 67,252.42

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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.