Home / 74,899.36-103,361.90-40,908.83

Finding the Fourth Proportional to 74,899.36, 103,361.90 and 40,908.83

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Solution

The fourth proportional to 74,899.36, 103,361.90 and 40,908.83 is: 56,454.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,899.36 : 103,361.90 = 40,908.83 : x
  2. Step 2: Convert to fraction form
    74,899.36/103,361.90 = 40,908.83/x
  3. Step 3: Cross multiply
    74,899.36x = 103,361.90 × 40,908.83
  4. Step 4: Simplify right side
    74,899.36x = 4,228,413,674.22
  5. Step 5: Solve for x
    x = 4,228,413,674.22/74,899.36
  6. Step 6: Final answer
    x = 56,454.61

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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.