Home / 55,858.20-83,787.30-14,305.20

Finding the Fourth Proportional to 55,858.20, 83,787.30 and 14,305.20

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Solution

The fourth proportional to 55,858.20, 83,787.30 and 14,305.20 is: 21,457.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,858.20 : 83,787.30 = 14,305.20 : x
  2. Step 2: Convert to fraction form
    55,858.20/83,787.30 = 14,305.20/x
  3. Step 3: Cross multiply
    55,858.20x = 83,787.30 × 14,305.20
  4. Step 4: Simplify right side
    55,858.20x = 1,198,594,207.29
  5. Step 5: Solve for x
    x = 1,198,594,207.29/55,858.20
  6. Step 6: Final answer
    x = 21,457.80

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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.