Home / 95,391.36-143,090.09-47,980.57

Finding the Fourth Proportional to 95,391.36, 143,090.09 and 47,980.57

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Solution

The fourth proportional to 95,391.36, 143,090.09 and 47,980.57 is: 71,972.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,391.36 : 143,090.09 = 47,980.57 : x
  2. Step 2: Convert to fraction form
    95,391.36/143,090.09 = 47,980.57/x
  3. Step 3: Cross multiply
    95,391.36x = 143,090.09 × 47,980.57
  4. Step 4: Simplify right side
    95,391.36x = 6,865,543,596.37
  5. Step 5: Solve for x
    x = 6,865,543,596.37/95,391.36
  6. Step 6: Final answer
    x = 71,972.38

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1.5x scale

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.