Home / 89,206.06-123,106.05-48,917.42

Finding the Fourth Proportional to 89,206.06, 123,106.05 and 48,917.42

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Solution

The fourth proportional to 89,206.06, 123,106.05 and 48,917.42 is: 67,506.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,206.06 : 123,106.05 = 48,917.42 : x
  2. Step 2: Convert to fraction form
    89,206.06/123,106.05 = 48,917.42/x
  3. Step 3: Cross multiply
    89,206.06x = 123,106.05 × 48,917.42
  4. Step 4: Simplify right side
    89,206.06x = 6,022,030,352.39
  5. Step 5: Solve for x
    x = 6,022,030,352.39/89,206.06
  6. Step 6: Final answer
    x = 67,506.96

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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.