Home / 55,779.22-76,973.01-30,284.59

Finding the Fourth Proportional to 55,779.22, 76,973.01 and 30,284.59

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Solution

The fourth proportional to 55,779.22, 76,973.01 and 30,284.59 is: 41,791.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,779.22 : 76,973.01 = 30,284.59 : x
  2. Step 2: Convert to fraction form
    55,779.22/76,973.01 = 30,284.59/x
  3. Step 3: Cross multiply
    55,779.22x = 76,973.01 × 30,284.59
  4. Step 4: Simplify right side
    55,779.22x = 2,331,096,048.92
  5. Step 5: Solve for x
    x = 2,331,096,048.92/55,779.22
  6. Step 6: Final answer
    x = 41,791.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.