Home / 31,144.94-46,724.85-10,085.01

Finding the Fourth Proportional to 31,144.94, 46,724.85 and 10,085.01

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Solution

The fourth proportional to 31,144.94, 46,724.85 and 10,085.01 is: 15,129.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,144.94 : 46,724.85 = 10,085.01 : x
  2. Step 2: Convert to fraction form
    31,144.94/46,724.85 = 10,085.01/x
  3. Step 3: Cross multiply
    31,144.94x = 46,724.85 × 10,085.01
  4. Step 4: Simplify right side
    31,144.94x = 471,220,345.87
  5. Step 5: Solve for x
    x = 471,220,345.87/31,144.94
  6. Step 6: Final answer
    x = 15,129.92

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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.