Home / 91,719.45-137,579.18-60,226.65

Finding the Fourth Proportional to 91,719.45, 137,579.18 and 60,226.65

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Solution

The fourth proportional to 91,719.45, 137,579.18 and 60,226.65 is: 90,339.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,719.45 : 137,579.18 = 60,226.65 : x
  2. Step 2: Convert to fraction form
    91,719.45/137,579.18 = 60,226.65/x
  3. Step 3: Cross multiply
    91,719.45x = 137,579.18 × 60,226.65
  4. Step 4: Simplify right side
    91,719.45x = 8,285,932,820.01
  5. Step 5: Solve for x
    x = 8,285,932,820.01/91,719.45
  6. Step 6: Final answer
    x = 90,339.98

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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.