Home / 84,399.60-116,485.77-48,610.32

Finding the Fourth Proportional to 84,399.60, 116,485.77 and 48,610.32

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Solution

The fourth proportional to 84,399.60, 116,485.77 and 48,610.32 is: 67,090.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,399.60 : 116,485.77 = 48,610.32 : x
  2. Step 2: Convert to fraction form
    84,399.60/116,485.77 = 48,610.32/x
  3. Step 3: Cross multiply
    84,399.60x = 116,485.77 × 48,610.32
  4. Step 4: Simplify right side
    84,399.60x = 5,662,410,555.15
  5. Step 5: Solve for x
    x = 5,662,410,555.15/84,399.60
  6. Step 6: Final answer
    x = 67,090.49

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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.