Home / 95,040.46-142,745.22-69,981.56

Finding the Fourth Proportional to 95,040.46, 142,745.22 and 69,981.56

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Solution

The fourth proportional to 95,040.46, 142,745.22 and 69,981.56 is: 105,108.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,040.46 : 142,745.22 = 69,981.56 : x
  2. Step 2: Convert to fraction form
    95,040.46/142,745.22 = 69,981.56/x
  3. Step 3: Cross multiply
    95,040.46x = 142,745.22 × 69,981.56
  4. Step 4: Simplify right side
    95,040.46x = 9,989,533,178.14
  5. Step 5: Solve for x
    x = 9,989,533,178.14/95,040.46
  6. Step 6: Final answer
    x = 105,108.22

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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.