Home / 86,161.06-118,879.77-50,330.71

Finding the Fourth Proportional to 86,161.06, 118,879.77 and 50,330.71

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Solution

The fourth proportional to 86,161.06, 118,879.77 and 50,330.71 is: 69,443.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,161.06 : 118,879.77 = 50,330.71 : x
  2. Step 2: Convert to fraction form
    86,161.06/118,879.77 = 50,330.71/x
  3. Step 3: Cross multiply
    86,161.06x = 118,879.77 × 50,330.71
  4. Step 4: Simplify right side
    86,161.06x = 5,983,303,228.74
  5. Step 5: Solve for x
    x = 5,983,303,228.74/86,161.06
  6. Step 6: Final answer
    x = 69,443.24

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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.