Home / 74,900.80-112,383.92-43,736.16

Finding the Fourth Proportional to 74,900.80, 112,383.92 and 43,736.16

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Solution

The fourth proportional to 74,900.80, 112,383.92 and 43,736.16 is: 65,623.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,900.80 : 112,383.92 = 43,736.16 : x
  2. Step 2: Convert to fraction form
    74,900.80/112,383.92 = 43,736.16/x
  3. Step 3: Cross multiply
    74,900.80x = 112,383.92 × 43,736.16
  4. Step 4: Simplify right side
    74,900.80x = 4,915,241,106.55
  5. Step 5: Solve for x
    x = 4,915,241,106.55/74,900.80
  6. Step 6: Final answer
    x = 65,623.35

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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.