Home / 49,679.83-74,519.75-28,888.75

Finding the Fourth Proportional to 49,679.83, 74,519.75 and 28,888.75

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Solution

The fourth proportional to 49,679.83, 74,519.75 and 28,888.75 is: 43,333.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,679.83 : 74,519.75 = 28,888.75 : x
  2. Step 2: Convert to fraction form
    49,679.83/74,519.75 = 28,888.75/x
  3. Step 3: Cross multiply
    49,679.83x = 74,519.75 × 28,888.75
  4. Step 4: Simplify right side
    49,679.83x = 2,152,782,427.81
  5. Step 5: Solve for x
    x = 2,152,782,427.81/49,679.83
  6. Step 6: Final answer
    x = 43,333.13

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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.