Home / 71,935.51-99,268.82-39,670.11

Finding the Fourth Proportional to 71,935.51, 99,268.82 and 39,670.11

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Solution

The fourth proportional to 71,935.51, 99,268.82 and 39,670.11 is: 54,743.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,935.51 : 99,268.82 = 39,670.11 : x
  2. Step 2: Convert to fraction form
    71,935.51/99,268.82 = 39,670.11/x
  3. Step 3: Cross multiply
    71,935.51x = 99,268.82 × 39,670.11
  4. Step 4: Simplify right side
    71,935.51x = 3,938,004,512.63
  5. Step 5: Solve for x
    x = 3,938,004,512.63/71,935.51
  6. Step 6: Final answer
    x = 54,743.54

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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.