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Finding the Fourth Proportional to 95,509.63, 143,059.92 and 50,388.45

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Solution

The fourth proportional to 95,509.63, 143,059.92 and 50,388.45 is: 75,474.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,509.63 : 143,059.92 = 50,388.45 : x
  2. Step 2: Convert to fraction form
    95,509.63/143,059.92 = 50,388.45/x
  3. Step 3: Cross multiply
    95,509.63x = 143,059.92 × 50,388.45
  4. Step 4: Simplify right side
    95,509.63x = 7,208,567,625.92
  5. Step 5: Solve for x
    x = 7,208,567,625.92/95,509.63
  6. Step 6: Final answer
    x = 75,474.77

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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.