Home / 55,543.31-83,299.04-18,106.65

Finding the Fourth Proportional to 55,543.31, 83,299.04 and 18,106.65

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Solution

The fourth proportional to 55,543.31, 83,299.04 and 18,106.65 is: 27,154.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,543.31 : 83,299.04 = 18,106.65 : x
  2. Step 2: Convert to fraction form
    55,543.31/83,299.04 = 18,106.65/x
  3. Step 3: Cross multiply
    55,543.31x = 83,299.04 × 18,106.65
  4. Step 4: Simplify right side
    55,543.31x = 1,508,266,055.59
  5. Step 5: Solve for x
    x = 1,508,266,055.59/55,543.31
  6. Step 6: Final answer
    x = 27,154.78

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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.