Home / 74,045.08-102,149.75-43,402.64

Finding the Fourth Proportional to 74,045.08, 102,149.75 and 43,402.64

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Solution

The fourth proportional to 74,045.08, 102,149.75 and 43,402.64 is: 59,876.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,045.08 : 102,149.75 = 43,402.64 : x
  2. Step 2: Convert to fraction form
    74,045.08/102,149.75 = 43,402.64/x
  3. Step 3: Cross multiply
    74,045.08x = 102,149.75 × 43,402.64
  4. Step 4: Simplify right side
    74,045.08x = 4,433,568,097.58
  5. Step 5: Solve for x
    x = 4,433,568,097.58/74,045.08
  6. Step 6: Final answer
    x = 59,876.61

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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.