Home / 76,268.91-105,134.43-53,544.15

Finding the Fourth Proportional to 76,268.91, 105,134.43 and 53,544.15

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Solution

The fourth proportional to 76,268.91, 105,134.43 and 53,544.15 is: 73,809.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,268.91 : 105,134.43 = 53,544.15 : x
  2. Step 2: Convert to fraction form
    76,268.91/105,134.43 = 53,544.15/x
  3. Step 3: Cross multiply
    76,268.91x = 105,134.43 × 53,544.15
  4. Step 4: Simplify right side
    76,268.91x = 5,629,333,690.08
  5. Step 5: Solve for x
    x = 5,629,333,690.08/76,268.91
  6. Step 6: Final answer
    x = 73,809.02

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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.