Home / 66,389.39-99,613.52-34,791.94

Finding the Fourth Proportional to 66,389.39, 99,613.52 and 34,791.94

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Solution

The fourth proportional to 66,389.39, 99,613.52 and 34,791.94 is: 52,203.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,389.39 : 99,613.52 = 34,791.94 : x
  2. Step 2: Convert to fraction form
    66,389.39/99,613.52 = 34,791.94/x
  3. Step 3: Cross multiply
    66,389.39x = 99,613.52 × 34,791.94
  4. Step 4: Simplify right side
    66,389.39x = 3,465,747,437.07
  5. Step 5: Solve for x
    x = 3,465,747,437.07/66,389.39
  6. Step 6: Final answer
    x = 52,203.33

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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.