Home / 84,705.12-116,892.84-46,464.84

Finding the Fourth Proportional to 84,705.12, 116,892.84 and 46,464.84

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Solution

The fourth proportional to 84,705.12, 116,892.84 and 46,464.84 is: 64,121.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,705.12 : 116,892.84 = 46,464.84 : x
  2. Step 2: Convert to fraction form
    84,705.12/116,892.84 = 46,464.84/x
  3. Step 3: Cross multiply
    84,705.12x = 116,892.84 × 46,464.84
  4. Step 4: Simplify right side
    84,705.12x = 5,431,407,107.75
  5. Step 5: Solve for x
    x = 5,431,407,107.75/84,705.12
  6. Step 6: Final answer
    x = 64,121.36

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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.