Home / 66,201.16-99,326.22-30,679.42

Finding the Fourth Proportional to 66,201.16, 99,326.22 and 30,679.42

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Solution

The fourth proportional to 66,201.16, 99,326.22 and 30,679.42 is: 46,030.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,201.16 : 99,326.22 = 30,679.42 : x
  2. Step 2: Convert to fraction form
    66,201.16/99,326.22 = 30,679.42/x
  3. Step 3: Cross multiply
    66,201.16x = 99,326.22 × 30,679.42
  4. Step 4: Simplify right side
    66,201.16x = 3,047,270,820.39
  5. Step 5: Solve for x
    x = 3,047,270,820.39/66,201.16
  6. Step 6: Final answer
    x = 46,030.47

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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.