Home / 74,416.50-102,695.49-40,883.22

Finding the Fourth Proportional to 74,416.50, 102,695.49 and 40,883.22

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Solution

The fourth proportional to 74,416.50, 102,695.49 and 40,883.22 is: 56,419.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,416.50 : 102,695.49 = 40,883.22 : x
  2. Step 2: Convert to fraction form
    74,416.50/102,695.49 = 40,883.22/x
  3. Step 3: Cross multiply
    74,416.50x = 102,695.49 × 40,883.22
  4. Step 4: Simplify right side
    74,416.50x = 4,198,522,310.68
  5. Step 5: Solve for x
    x = 4,198,522,310.68/74,416.50
  6. Step 6: Final answer
    x = 56,419.24

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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.