Home / 74,032.27-102,164.23-40,040.80

Finding the Fourth Proportional to 74,032.27, 102,164.23 and 40,040.80

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Solution

The fourth proportional to 74,032.27, 102,164.23 and 40,040.80 is: 55,256.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,032.27 : 102,164.23 = 40,040.80 : x
  2. Step 2: Convert to fraction form
    74,032.27/102,164.23 = 40,040.80/x
  3. Step 3: Cross multiply
    74,032.27x = 102,164.23 × 40,040.80
  4. Step 4: Simplify right side
    74,032.27x = 4,090,736,789.56
  5. Step 5: Solve for x
    x = 4,090,736,789.56/74,032.27
  6. Step 6: Final answer
    x = 55,256.13

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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.