Home / 74,051.30-102,190.49-40,059.71

Finding the Fourth Proportional to 74,051.30, 102,190.49 and 40,059.71

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Solution

The fourth proportional to 74,051.30, 102,190.49 and 40,059.71 is: 55,282.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,051.30 : 102,190.49 = 40,059.71 : x
  2. Step 2: Convert to fraction form
    74,051.30/102,190.49 = 40,059.71/x
  3. Step 3: Cross multiply
    74,051.30x = 102,190.49 × 40,059.71
  4. Step 4: Simplify right side
    74,051.30x = 4,093,721,394.16
  5. Step 5: Solve for x
    x = 4,093,721,394.16/74,051.30
  6. Step 6: Final answer
    x = 55,282.24

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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.