Home / 74,216.16-102,423.29-41,939.60

Finding the Fourth Proportional to 74,216.16, 102,423.29 and 41,939.60

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Solution

The fourth proportional to 74,216.16, 102,423.29 and 41,939.60 is: 57,879.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,216.16 : 102,423.29 = 41,939.60 : x
  2. Step 2: Convert to fraction form
    74,216.16/102,423.29 = 41,939.60/x
  3. Step 3: Cross multiply
    74,216.16x = 102,423.29 × 41,939.60
  4. Step 4: Simplify right side
    74,216.16x = 4,295,591,091.47
  5. Step 5: Solve for x
    x = 4,295,591,091.47/74,216.16
  6. Step 6: Final answer
    x = 57,879.46

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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.