Home / 66,485.06-99,705.93-22,099.89

Finding the Fourth Proportional to 66,485.06, 99,705.93 and 22,099.89

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Solution

The fourth proportional to 66,485.06, 99,705.93 and 22,099.89 is: 33,142.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,485.06 : 99,705.93 = 22,099.89 : x
  2. Step 2: Convert to fraction form
    66,485.06/99,705.93 = 22,099.89/x
  3. Step 3: Cross multiply
    66,485.06x = 99,705.93 × 22,099.89
  4. Step 4: Simplify right side
    66,485.06x = 2,203,490,085.35
  5. Step 5: Solve for x
    x = 2,203,490,085.35/66,485.06
  6. Step 6: Final answer
    x = 33,142.64

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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.