Home / 55,758.69-83,620.40-18,312.59

Finding the Fourth Proportional to 55,758.69, 83,620.40 and 18,312.59

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Solution

The fourth proportional to 55,758.69, 83,620.40 and 18,312.59 is: 27,463.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,758.69 : 83,620.40 = 18,312.59 : x
  2. Step 2: Convert to fraction form
    55,758.69/83,620.40 = 18,312.59/x
  3. Step 3: Cross multiply
    55,758.69x = 83,620.40 × 18,312.59
  4. Step 4: Simplify right side
    55,758.69x = 1,531,306,100.84
  5. Step 5: Solve for x
    x = 1,531,306,100.84/55,758.69
  6. Step 6: Final answer
    x = 27,463.09

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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.