Home / 86,074.44-118,777.32-47,831.64

Finding the Fourth Proportional to 86,074.44, 118,777.32 and 47,831.64

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Solution

The fourth proportional to 86,074.44, 118,777.32 and 47,831.64 is: 66,004.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,074.44 : 118,777.32 = 47,831.64 : x
  2. Step 2: Convert to fraction form
    86,074.44/118,777.32 = 47,831.64/x
  3. Step 3: Cross multiply
    86,074.44x = 118,777.32 × 47,831.64
  4. Step 4: Simplify right side
    86,074.44x = 5,681,314,010.40
  5. Step 5: Solve for x
    x = 5,681,314,010.40/86,074.44
  6. Step 6: Final answer
    x = 66,004.66

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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.