Home / 66,046.51-91,144.38-35,831.98

Finding the Fourth Proportional to 66,046.51, 91,144.38 and 35,831.98

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Solution

The fourth proportional to 66,046.51, 91,144.38 and 35,831.98 is: 49,448.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,046.51 : 91,144.38 = 35,831.98 : x
  2. Step 2: Convert to fraction form
    66,046.51/91,144.38 = 35,831.98/x
  3. Step 3: Cross multiply
    66,046.51x = 91,144.38 × 35,831.98
  4. Step 4: Simplify right side
    66,046.51x = 3,265,883,601.27
  5. Step 5: Solve for x
    x = 3,265,883,601.27/66,046.51
  6. Step 6: Final answer
    x = 49,448.24

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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.