Home / 40,779.66-61,128.16-27,633.36

Finding the Fourth Proportional to 40,779.66, 61,128.16 and 27,633.36

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Solution

The fourth proportional to 40,779.66, 61,128.16 and 27,633.36 is: 41,422.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,779.66 : 61,128.16 = 27,633.36 : x
  2. Step 2: Convert to fraction form
    40,779.66/61,128.16 = 27,633.36/x
  3. Step 3: Cross multiply
    40,779.66x = 61,128.16 × 27,633.36
  4. Step 4: Simplify right side
    40,779.66x = 1,689,176,451.42
  5. Step 5: Solve for x
    x = 1,689,176,451.42/40,779.66
  6. Step 6: Final answer
    x = 41,422.03

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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.