Home / 74,620.04-103,068.05-54,169.43

Finding the Fourth Proportional to 74,620.04, 103,068.05 and 54,169.43

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Solution

The fourth proportional to 74,620.04, 103,068.05 and 54,169.43 is: 74,820.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,620.04 : 103,068.05 = 54,169.43 : x
  2. Step 2: Convert to fraction form
    74,620.04/103,068.05 = 54,169.43/x
  3. Step 3: Cross multiply
    74,620.04x = 103,068.05 × 54,169.43
  4. Step 4: Simplify right side
    74,620.04x = 5,583,136,733.52
  5. Step 5: Solve for x
    x = 5,583,136,733.52/74,620.04
  6. Step 6: Final answer
    x = 74,820.88

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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.