Home / 55,799.64-83,690.20-18,360.18

Finding the Fourth Proportional to 55,799.64, 83,690.20 and 18,360.18

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Solution

The fourth proportional to 55,799.64, 83,690.20 and 18,360.18 is: 27,537.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,799.64 : 83,690.20 = 18,360.18 : x
  2. Step 2: Convert to fraction form
    55,799.64/83,690.20 = 18,360.18/x
  3. Step 3: Cross multiply
    55,799.64x = 83,690.20 × 18,360.18
  4. Step 4: Simplify right side
    55,799.64x = 1,536,567,136.24
  5. Step 5: Solve for x
    x = 1,536,567,136.24/55,799.64
  6. Step 6: Final answer
    x = 27,537.22

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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.