Home / 75,674.08-104,429.28-41,681.89

Finding the Fourth Proportional to 75,674.08, 104,429.28 and 41,681.89

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Solution

The fourth proportional to 75,674.08, 104,429.28 and 41,681.89 is: 57,520.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,674.08 : 104,429.28 = 41,681.89 : x
  2. Step 2: Convert to fraction form
    75,674.08/104,429.28 = 41,681.89/x
  3. Step 3: Cross multiply
    75,674.08x = 104,429.28 × 41,681.89
  4. Step 4: Simplify right side
    75,674.08x = 4,352,809,761.74
  5. Step 5: Solve for x
    x = 4,352,809,761.74/75,674.08
  6. Step 6: Final answer
    x = 57,520.48

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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.