Home / 74,047.64-110,970.78-31,317.54

Finding the Fourth Proportional to 74,047.64, 110,970.78 and 31,317.54

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Solution

The fourth proportional to 74,047.64, 110,970.78 and 31,317.54 is: 46,933.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,047.64 : 110,970.78 = 31,317.54 : x
  2. Step 2: Convert to fraction form
    74,047.64/110,970.78 = 31,317.54/x
  3. Step 3: Cross multiply
    74,047.64x = 110,970.78 × 31,317.54
  4. Step 4: Simplify right side
    74,047.64x = 3,475,331,841.48
  5. Step 5: Solve for x
    x = 3,475,331,841.48/74,047.64
  6. Step 6: Final answer
    x = 46,933.73

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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.