Home / 55,740.75-83,670.24-49,370.68

Finding the Fourth Proportional to 55,740.75, 83,670.24 and 49,370.68

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Solution

The fourth proportional to 55,740.75, 83,670.24 and 49,370.68 is: 74,108.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,740.75 : 83,670.24 = 49,370.68 : x
  2. Step 2: Convert to fraction form
    55,740.75/83,670.24 = 49,370.68/x
  3. Step 3: Cross multiply
    55,740.75x = 83,670.24 × 49,370.68
  4. Step 4: Simplify right side
    55,740.75x = 4,130,856,644.56
  5. Step 5: Solve for x
    x = 4,130,856,644.56/55,740.75
  6. Step 6: Final answer
    x = 74,108.38

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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.