Home / 75,154.16-103,713.94-41,162.06

Finding the Fourth Proportional to 75,154.16, 103,713.94 and 41,162.06

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Solution

The fourth proportional to 75,154.16, 103,713.94 and 41,162.06 is: 56,804.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,154.16 : 103,713.94 = 41,162.06 : x
  2. Step 2: Convert to fraction form
    75,154.16/103,713.94 = 41,162.06/x
  3. Step 3: Cross multiply
    75,154.16x = 103,713.94 × 41,162.06
  4. Step 4: Simplify right side
    75,154.16x = 4,269,079,421.12
  5. Step 5: Solve for x
    x = 4,269,079,421.12/75,154.16
  6. Step 6: Final answer
    x = 56,804.30

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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.