Home / 90,954.60-136,179.96-46,485.60

Finding the Fourth Proportional to 90,954.60, 136,179.96 and 46,485.60

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Solution

The fourth proportional to 90,954.60, 136,179.96 and 46,485.60 is: 69,599.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,954.60 : 136,179.96 = 46,485.60 : x
  2. Step 2: Convert to fraction form
    90,954.60/136,179.96 = 46,485.60/x
  3. Step 3: Cross multiply
    90,954.60x = 136,179.96 × 46,485.60
  4. Step 4: Simplify right side
    90,954.60x = 6,330,407,148.58
  5. Step 5: Solve for x
    x = 6,330,407,148.58/90,954.60
  6. Step 6: Final answer
    x = 69,599.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.