Home / 57,702.47-86,540.34-18,252.23

Finding the Fourth Proportional to 57,702.47, 86,540.34 and 18,252.23

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Solution

The fourth proportional to 57,702.47, 86,540.34 and 18,252.23 is: 27,374.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,702.47 : 86,540.34 = 18,252.23 : x
  2. Step 2: Convert to fraction form
    57,702.47/86,540.34 = 18,252.23/x
  3. Step 3: Cross multiply
    57,702.47x = 86,540.34 × 18,252.23
  4. Step 4: Simplify right side
    57,702.47x = 1,579,554,189.96
  5. Step 5: Solve for x
    x = 1,579,554,189.96/57,702.47
  6. Step 6: Final answer
    x = 27,374.12

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1.5x scale

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.