Home / 90,926.23-136,410.81-28,596.73

Finding the Fourth Proportional to 90,926.23, 136,410.81 and 28,596.73

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Solution

The fourth proportional to 90,926.23, 136,410.81 and 28,596.73 is: 42,901.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,926.23 : 136,410.81 = 28,596.73 : x
  2. Step 2: Convert to fraction form
    90,926.23/136,410.81 = 28,596.73/x
  3. Step 3: Cross multiply
    90,926.23x = 136,410.81 × 28,596.73
  4. Step 4: Simplify right side
    90,926.23x = 3,900,903,102.65
  5. Step 5: Solve for x
    x = 3,900,903,102.65/90,926.23
  6. Step 6: Final answer
    x = 42,901.85

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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.