Home / 86,975.27-120,023.83-51,167.58

Finding the Fourth Proportional to 86,975.27, 120,023.83 and 51,167.58

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Solution

The fourth proportional to 86,975.27, 120,023.83 and 51,167.58 is: 70,610.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,975.27 : 120,023.83 = 51,167.58 : x
  2. Step 2: Convert to fraction form
    86,975.27/120,023.83 = 51,167.58/x
  3. Step 3: Cross multiply
    86,975.27x = 120,023.83 × 51,167.58
  4. Step 4: Simplify right side
    86,975.27x = 6,141,328,923.43
  5. Step 5: Solve for x
    x = 6,141,328,923.43/86,975.27
  6. Step 6: Final answer
    x = 70,610.06

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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.