Home / 75,125.40-103,675.98-41,131.86

Finding the Fourth Proportional to 75,125.40, 103,675.98 and 41,131.86

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Solution

The fourth proportional to 75,125.40, 103,675.98 and 41,131.86 is: 56,763.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,125.40 : 103,675.98 = 41,131.86 : x
  2. Step 2: Convert to fraction form
    75,125.40/103,675.98 = 41,131.86/x
  3. Step 3: Cross multiply
    75,125.40x = 103,675.98 × 41,131.86
  4. Step 4: Simplify right side
    75,125.40x = 4,264,385,894.72
  5. Step 5: Solve for x
    x = 4,264,385,894.72/75,125.40
  6. Step 6: Final answer
    x = 56,763.57

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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.