Home / 74,914.18-103,379.22-40,922.12

Finding the Fourth Proportional to 74,914.18, 103,379.22 and 40,922.12

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Solution

The fourth proportional to 74,914.18, 103,379.22 and 40,922.12 is: 56,471.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,914.18 : 103,379.22 = 40,922.12 : x
  2. Step 2: Convert to fraction form
    74,914.18/103,379.22 = 40,922.12/x
  3. Step 3: Cross multiply
    74,914.18x = 103,379.22 × 40,922.12
  4. Step 4: Simplify right side
    74,914.18x = 4,230,496,846.35
  5. Step 5: Solve for x
    x = 4,230,496,846.35/74,914.18
  6. Step 6: Final answer
    x = 56,471.24

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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.