Home / 66,211.42-99,261.25-28,743.22

Finding the Fourth Proportional to 66,211.42, 99,261.25 and 28,743.22

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Solution

The fourth proportional to 66,211.42, 99,261.25 and 28,743.22 is: 43,090.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,211.42 : 99,261.25 = 28,743.22 : x
  2. Step 2: Convert to fraction form
    66,211.42/99,261.25 = 28,743.22/x
  3. Step 3: Cross multiply
    66,211.42x = 99,261.25 × 28,743.22
  4. Step 4: Simplify right side
    66,211.42x = 2,853,087,946.23
  5. Step 5: Solve for x
    x = 2,853,087,946.23/66,211.42
  6. Step 6: Final answer
    x = 43,090.57

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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.