Home / 55,685.32-83,531.88-22,405.54

Finding the Fourth Proportional to 55,685.32, 83,531.88 and 22,405.54

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Solution

The fourth proportional to 55,685.32, 83,531.88 and 22,405.54 is: 33,609.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,685.32 : 83,531.88 = 22,405.54 : x
  2. Step 2: Convert to fraction form
    55,685.32/83,531.88 = 22,405.54/x
  3. Step 3: Cross multiply
    55,685.32x = 83,531.88 × 22,405.54
  4. Step 4: Simplify right side
    55,685.32x = 1,871,576,878.62
  5. Step 5: Solve for x
    x = 1,871,576,878.62/55,685.32
  6. Step 6: Final answer
    x = 33,609.88

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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.