Home / 86,403.06-119,238.75-50,589.72

Finding the Fourth Proportional to 86,403.06, 119,238.75 and 50,589.72

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Solution

The fourth proportional to 86,403.06, 119,238.75 and 50,589.72 is: 69,815.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,403.06 : 119,238.75 = 50,589.72 : x
  2. Step 2: Convert to fraction form
    86,403.06/119,238.75 = 50,589.72/x
  3. Step 3: Cross multiply
    86,403.06x = 119,238.75 × 50,589.72
  4. Step 4: Simplify right side
    86,403.06x = 6,032,254,975.65
  5. Step 5: Solve for x
    x = 6,032,254,975.65/86,403.06
  6. Step 6: Final answer
    x = 69,815.29

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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.