Home / 85,072.89-117,399.63-46,831.62

Finding the Fourth Proportional to 85,072.89, 117,399.63 and 46,831.62

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Solution

The fourth proportional to 85,072.89, 117,399.63 and 46,831.62 is: 64,627.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,072.89 : 117,399.63 = 46,831.62 : x
  2. Step 2: Convert to fraction form
    85,072.89/117,399.63 = 46,831.62/x
  3. Step 3: Cross multiply
    85,072.89x = 117,399.63 × 46,831.62
  4. Step 4: Simplify right side
    85,072.89x = 5,498,014,860.30
  5. Step 5: Solve for x
    x = 5,498,014,860.30/85,072.89
  6. Step 6: Final answer
    x = 64,627.11

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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.