Home / 66,483.35-99,743.78-27,068.75

Finding the Fourth Proportional to 66,483.35, 99,743.78 and 27,068.75

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Solution

The fourth proportional to 66,483.35, 99,743.78 and 27,068.75 is: 40,610.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,483.35 : 99,743.78 = 27,068.75 : x
  2. Step 2: Convert to fraction form
    66,483.35/99,743.78 = 27,068.75/x
  3. Step 3: Cross multiply
    66,483.35x = 99,743.78 × 27,068.75
  4. Step 4: Simplify right side
    66,483.35x = 2,699,939,013.83
  5. Step 5: Solve for x
    x = 2,699,939,013.83/66,483.35
  6. Step 6: Final answer
    x = 40,610.76

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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.