Home / 90,908.79-136,212.82-46,474.41

Finding the Fourth Proportional to 90,908.79, 136,212.82 and 46,474.41

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Solution

The fourth proportional to 90,908.79, 136,212.82 and 46,474.41 is: 69,634.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,908.79 : 136,212.82 = 46,474.41 : x
  2. Step 2: Convert to fraction form
    90,908.79/136,212.82 = 46,474.41/x
  3. Step 3: Cross multiply
    90,908.79x = 136,212.82 × 46,474.41
  4. Step 4: Simplify right side
    90,908.79x = 6,330,411,099.97
  5. Step 5: Solve for x
    x = 6,330,411,099.97/90,908.79
  6. Step 6: Final answer
    x = 69,634.76

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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.