Home / 86,984.44-120,027.30-51,161.38

Finding the Fourth Proportional to 86,984.44, 120,027.30 and 51,161.38

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Solution

The fourth proportional to 86,984.44, 120,027.30 and 51,161.38 is: 70,596.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,984.44 : 120,027.30 = 51,161.38 : x
  2. Step 2: Convert to fraction form
    86,984.44/120,027.30 = 51,161.38/x
  3. Step 3: Cross multiply
    86,984.44x = 120,027.30 × 51,161.38
  4. Step 4: Simplify right side
    86,984.44x = 6,140,762,305.67
  5. Step 5: Solve for x
    x = 6,140,762,305.67/86,984.44
  6. Step 6: Final answer
    x = 70,596.10

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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.