Home / 91,048.33-136,611.90-48,879.21

Finding the Fourth Proportional to 91,048.33, 136,611.90 and 48,879.21

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Solution

The fourth proportional to 91,048.33, 136,611.90 and 48,879.21 is: 73,339.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,048.33 : 136,611.90 = 48,879.21 : x
  2. Step 2: Convert to fraction form
    91,048.33/136,611.90 = 48,879.21/x
  3. Step 3: Cross multiply
    91,048.33x = 136,611.90 × 48,879.21
  4. Step 4: Simplify right side
    91,048.33x = 6,677,482,260.89
  5. Step 5: Solve for x
    x = 6,677,482,260.89/91,048.33
  6. Step 6: Final answer
    x = 73,339.97

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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.