Home / 66,485.80-91,750.26-36,271.14

Finding the Fourth Proportional to 66,485.80, 91,750.26 and 36,271.14

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Solution

The fourth proportional to 66,485.80, 91,750.26 and 36,271.14 is: 50,054.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,485.80 : 91,750.26 = 36,271.14 : x
  2. Step 2: Convert to fraction form
    66,485.80/91,750.26 = 36,271.14/x
  3. Step 3: Cross multiply
    66,485.80x = 91,750.26 × 36,271.14
  4. Step 4: Simplify right side
    66,485.80x = 3,327,886,525.50
  5. Step 5: Solve for x
    x = 3,327,886,525.50/66,485.80
  6. Step 6: Final answer
    x = 50,054.09

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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.