Home / 74,945.63-103,424.76-40,954.33

Finding the Fourth Proportional to 74,945.63, 103,424.76 and 40,954.33

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Solution

The fourth proportional to 74,945.63, 103,424.76 and 40,954.33 is: 56,516.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,945.63 : 103,424.76 = 40,954.33 : x
  2. Step 2: Convert to fraction form
    74,945.63/103,424.76 = 40,954.33/x
  3. Step 3: Cross multiply
    74,945.63x = 103,424.76 × 40,954.33
  4. Step 4: Simplify right side
    74,945.63x = 4,235,692,228.97
  5. Step 5: Solve for x
    x = 4,235,692,228.97/74,945.63
  6. Step 6: Final answer
    x = 56,516.87

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1.5x scale

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.