Home / 74,825.09-112,204.79-28,045.16

Finding the Fourth Proportional to 74,825.09, 112,204.79 and 28,045.16

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Solution

The fourth proportional to 74,825.09, 112,204.79 and 28,045.16 is: 42,055.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,825.09 : 112,204.79 = 28,045.16 : x
  2. Step 2: Convert to fraction form
    74,825.09/112,204.79 = 28,045.16/x
  3. Step 3: Cross multiply
    74,825.09x = 112,204.79 × 28,045.16
  4. Step 4: Simplify right side
    74,825.09x = 3,146,801,288.32
  5. Step 5: Solve for x
    x = 3,146,801,288.32/74,825.09
  6. Step 6: Final answer
    x = 42,055.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.