Home / 76,401.88-105,422.28-44,131.38

Finding the Fourth Proportional to 76,401.88, 105,422.28 and 44,131.38

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Solution

The fourth proportional to 76,401.88, 105,422.28 and 44,131.38 is: 60,894.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,401.88 : 105,422.28 = 44,131.38 : x
  2. Step 2: Convert to fraction form
    76,401.88/105,422.28 = 44,131.38/x
  3. Step 3: Cross multiply
    76,401.88x = 105,422.28 × 44,131.38
  4. Step 4: Simplify right side
    76,401.88x = 4,652,430,699.15
  5. Step 5: Solve for x
    x = 4,652,430,699.15/76,401.88
  6. Step 6: Final answer
    x = 60,894.19

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1.5x scale

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.