Home / 66,485.97-99,747.72-27,071.37

Finding the Fourth Proportional to 66,485.97, 99,747.72 and 27,071.37

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Solution

The fourth proportional to 66,485.97, 99,747.72 and 27,071.37 is: 40,614.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,485.97 : 99,747.72 = 27,071.37 : x
  2. Step 2: Convert to fraction form
    66,485.97/99,747.72 = 27,071.37/x
  3. Step 3: Cross multiply
    66,485.97x = 99,747.72 × 27,071.37
  4. Step 4: Simplify right side
    66,485.97x = 2,700,307,434.78
  5. Step 5: Solve for x
    x = 2,700,307,434.78/66,485.97
  6. Step 6: Final answer
    x = 40,614.70

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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.