Home / 55,293.21-82,868.11-31,564.26

Finding the Fourth Proportional to 55,293.21, 82,868.11 and 31,564.26

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Solution

The fourth proportional to 55,293.21, 82,868.11 and 31,564.26 is: 47,305.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,293.21 : 82,868.11 = 31,564.26 : x
  2. Step 2: Convert to fraction form
    55,293.21/82,868.11 = 31,564.26/x
  3. Step 3: Cross multiply
    55,293.21x = 82,868.11 × 31,564.26
  4. Step 4: Simplify right side
    55,293.21x = 2,615,670,490.84
  5. Step 5: Solve for x
    x = 2,615,670,490.84/55,293.21
  6. Step 6: Final answer
    x = 47,305.46

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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.