Home / 69,174.88-103,527.77-42,537.61

Finding the Fourth Proportional to 69,174.88, 103,527.77 and 42,537.61

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Solution

The fourth proportional to 69,174.88, 103,527.77 and 42,537.61 is: 63,662.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,174.88 : 103,527.77 = 42,537.61 : x
  2. Step 2: Convert to fraction form
    69,174.88/103,527.77 = 42,537.61/x
  3. Step 3: Cross multiply
    69,174.88x = 103,527.77 × 42,537.61
  4. Step 4: Simplify right side
    69,174.88x = 4,403,824,014.84
  5. Step 5: Solve for x
    x = 4,403,824,014.84/69,174.88
  6. Step 6: Final answer
    x = 63,662.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.