Home / 75,125.91-103,670.55-41,133.78

Finding the Fourth Proportional to 75,125.91, 103,670.55 and 41,133.78

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Solution

The fourth proportional to 75,125.91, 103,670.55 and 41,133.78 is: 56,762.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,125.91 : 103,670.55 = 41,133.78 : x
  2. Step 2: Convert to fraction form
    75,125.91/103,670.55 = 41,133.78/x
  3. Step 3: Cross multiply
    75,125.91x = 103,670.55 × 41,133.78
  4. Step 4: Simplify right side
    75,125.91x = 4,264,361,596.18
  5. Step 5: Solve for x
    x = 4,264,361,596.18/75,125.91
  6. Step 6: Final answer
    x = 56,762.86

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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.