Home / 56,088.21-84,114.11-18,638.22

Finding the Fourth Proportional to 56,088.21, 84,114.11 and 18,638.22

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Solution

The fourth proportional to 56,088.21, 84,114.11 and 18,638.22 is: 27,951.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,088.21 : 84,114.11 = 18,638.22 : x
  2. Step 2: Convert to fraction form
    56,088.21/84,114.11 = 18,638.22/x
  3. Step 3: Cross multiply
    56,088.21x = 84,114.11 × 18,638.22
  4. Step 4: Simplify right side
    56,088.21x = 1,567,737,194.09
  5. Step 5: Solve for x
    x = 1,567,737,194.09/56,088.21
  6. Step 6: Final answer
    x = 27,951.28

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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.