Home / 57,706.21-86,570.25-18,260.02

Finding the Fourth Proportional to 57,706.21, 86,570.25 and 18,260.02

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Solution

The fourth proportional to 57,706.21, 86,570.25 and 18,260.02 is: 27,393.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,706.21 : 86,570.25 = 18,260.02 : x
  2. Step 2: Convert to fraction form
    57,706.21/86,570.25 = 18,260.02/x
  3. Step 3: Cross multiply
    57,706.21x = 86,570.25 × 18,260.02
  4. Step 4: Simplify right side
    57,706.21x = 1,580,774,496.41
  5. Step 5: Solve for x
    x = 1,580,774,496.41/57,706.21
  6. Step 6: Final answer
    x = 27,393.49

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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.