Home / 55,271.10-82,906.65-13,718.10

Finding the Fourth Proportional to 55,271.10, 82,906.65 and 13,718.10

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Solution

The fourth proportional to 55,271.10, 82,906.65 and 13,718.10 is: 20,577.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,271.10 : 82,906.65 = 13,718.10 : x
  2. Step 2: Convert to fraction form
    55,271.10/82,906.65 = 13,718.10/x
  3. Step 3: Cross multiply
    55,271.10x = 82,906.65 × 13,718.10
  4. Step 4: Simplify right side
    55,271.10x = 1,137,321,715.37
  5. Step 5: Solve for x
    x = 1,137,321,715.37/55,271.10
  6. Step 6: Final answer
    x = 20,577.15

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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.