Home / 86,403.85-119,238.62-48,162.33

Finding the Fourth Proportional to 86,403.85, 119,238.62 and 48,162.33

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Solution

The fourth proportional to 86,403.85, 119,238.62 and 48,162.33 is: 66,464.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,403.85 : 119,238.62 = 48,162.33 : x
  2. Step 2: Convert to fraction form
    86,403.85/119,238.62 = 48,162.33/x
  3. Step 3: Cross multiply
    86,403.85x = 119,238.62 × 48,162.33
  4. Step 4: Simplify right side
    86,403.85x = 5,742,809,524.37
  5. Step 5: Solve for x
    x = 5,742,809,524.37/86,403.85
  6. Step 6: Final answer
    x = 66,464.74

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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.