Home / 55,864.94-83,779.64-18,418.04

Finding the Fourth Proportional to 55,864.94, 83,779.64 and 18,418.04

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Solution

The fourth proportional to 55,864.94, 83,779.64 and 18,418.04 is: 27,621.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,864.94 : 83,779.64 = 18,418.04 : x
  2. Step 2: Convert to fraction form
    55,864.94/83,779.64 = 18,418.04/x
  3. Step 3: Cross multiply
    55,864.94x = 83,779.64 × 18,418.04
  4. Step 4: Simplify right side
    55,864.94x = 1,543,056,760.71
  5. Step 5: Solve for x
    x = 1,543,056,760.71/55,864.94
  6. Step 6: Final answer
    x = 27,621.20

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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.