Home / 74,561.48-102,928.43-49,081.22

Finding the Fourth Proportional to 74,561.48, 102,928.43 and 49,081.22

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Solution

The fourth proportional to 74,561.48, 102,928.43 and 49,081.22 is: 67,754.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,561.48 : 102,928.43 = 49,081.22 : x
  2. Step 2: Convert to fraction form
    74,561.48/102,928.43 = 49,081.22/x
  3. Step 3: Cross multiply
    74,561.48x = 102,928.43 × 49,081.22
  4. Step 4: Simplify right side
    74,561.48x = 5,051,852,917.08
  5. Step 5: Solve for x
    x = 5,051,852,917.08/74,561.48
  6. Step 6: Final answer
    x = 67,754.19

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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.