Home / 74,274.11-102,364.43-54,099.04

Finding the Fourth Proportional to 74,274.11, 102,364.43 and 54,099.04

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Solution

The fourth proportional to 74,274.11, 102,364.43 and 54,099.04 is: 74,559.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,274.11 : 102,364.43 = 54,099.04 : x
  2. Step 2: Convert to fraction form
    74,274.11/102,364.43 = 54,099.04/x
  3. Step 3: Cross multiply
    74,274.11x = 102,364.43 × 54,099.04
  4. Step 4: Simplify right side
    74,274.11x = 5,537,817,515.13
  5. Step 5: Solve for x
    x = 5,537,817,515.13/74,274.11
  6. Step 6: Final answer
    x = 74,559.19

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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.