Home / 75,127.45-103,675.50-41,135.32

Finding the Fourth Proportional to 75,127.45, 103,675.50 and 41,135.32

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Solution

The fourth proportional to 75,127.45, 103,675.50 and 41,135.32 is: 56,766.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,127.45 : 103,675.50 = 41,135.32 : x
  2. Step 2: Convert to fraction form
    75,127.45/103,675.50 = 41,135.32/x
  3. Step 3: Cross multiply
    75,127.45x = 103,675.50 × 41,135.32
  4. Step 4: Simplify right side
    75,127.45x = 4,264,724,144.61
  5. Step 5: Solve for x
    x = 4,264,724,144.61/75,127.45
  6. Step 6: Final answer
    x = 56,766.53

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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.