Home / 74,534.37-111,348.25-53,305.89

Finding the Fourth Proportional to 74,534.37, 111,348.25 and 53,305.89

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Solution

The fourth proportional to 74,534.37, 111,348.25 and 53,305.89 is: 79,634.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,534.37 : 111,348.25 = 53,305.89 : x
  2. Step 2: Convert to fraction form
    74,534.37/111,348.25 = 53,305.89/x
  3. Step 3: Cross multiply
    74,534.37x = 111,348.25 × 53,305.89
  4. Step 4: Simplify right side
    74,534.37x = 5,935,517,566.19
  5. Step 5: Solve for x
    x = 5,935,517,566.19/74,534.37
  6. Step 6: Final answer
    x = 79,634.64

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.