Home / 55,863.30-83,777.16-18,416.40

Finding the Fourth Proportional to 55,863.30, 83,777.16 and 18,416.40

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Solution

The fourth proportional to 55,863.30, 83,777.16 and 18,416.40 is: 27,618.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,863.30 : 83,777.16 = 18,416.40 : x
  2. Step 2: Convert to fraction form
    55,863.30/83,777.16 = 18,416.40/x
  3. Step 3: Cross multiply
    55,863.30x = 83,777.16 × 18,416.40
  4. Step 4: Simplify right side
    55,863.30x = 1,542,873,689.42
  5. Step 5: Solve for x
    x = 1,542,873,689.42/55,863.30
  6. Step 6: Final answer
    x = 27,618.74

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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.