Home / 123,722.08-185,583.48-52,626.40

Finding the Fourth Proportional to 123,722.08, 185,583.48 and 52,626.40

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Solution

The fourth proportional to 123,722.08, 185,583.48 and 52,626.40 is: 78,939.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,722.08 : 185,583.48 = 52,626.40 : x
  2. Step 2: Convert to fraction form
    123,722.08/185,583.48 = 52,626.40/x
  3. Step 3: Cross multiply
    123,722.08x = 185,583.48 × 52,626.40
  4. Step 4: Simplify right side
    123,722.08x = 9,766,590,451.87
  5. Step 5: Solve for x
    x = 9,766,590,451.87/123,722.08
  6. Step 6: Final answer
    x = 78,939.75

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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.