Home / 89,977.44-124,169.52-49,690.08

Finding the Fourth Proportional to 89,977.44, 124,169.52 and 49,690.08

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Solution

The fourth proportional to 89,977.44, 124,169.52 and 49,690.08 is: 68,572.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,977.44 : 124,169.52 = 49,690.08 : x
  2. Step 2: Convert to fraction form
    89,977.44/124,169.52 = 49,690.08/x
  3. Step 3: Cross multiply
    89,977.44x = 124,169.52 × 49,690.08
  4. Step 4: Simplify right side
    89,977.44x = 6,169,993,382.36
  5. Step 5: Solve for x
    x = 6,169,993,382.36/89,977.44
  6. Step 6: Final answer
    x = 68,572.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.