Home / 74,704.77-103,091.31-40,713.66

Finding the Fourth Proportional to 74,704.77, 103,091.31 and 40,713.66

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Solution

The fourth proportional to 74,704.77, 103,091.31 and 40,713.66 is: 56,184.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,704.77 : 103,091.31 = 40,713.66 : x
  2. Step 2: Convert to fraction form
    74,704.77/103,091.31 = 40,713.66/x
  3. Step 3: Cross multiply
    74,704.77x = 103,091.31 × 40,713.66
  4. Step 4: Simplify right side
    74,704.77x = 4,197,224,544.29
  5. Step 5: Solve for x
    x = 4,197,224,544.29/74,704.77
  6. Step 6: Final answer
    x = 56,184.16

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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.