Home / 69,779.36-96,293.40-39,567.44

Finding the Fourth Proportional to 69,779.36, 96,293.40 and 39,567.44

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Solution

The fourth proportional to 69,779.36, 96,293.40 and 39,567.44 is: 54,601.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,779.36 : 96,293.40 = 39,567.44 : x
  2. Step 2: Convert to fraction form
    69,779.36/96,293.40 = 39,567.44/x
  3. Step 3: Cross multiply
    69,779.36x = 96,293.40 × 39,567.44
  4. Step 4: Simplify right side
    69,779.36x = 3,810,083,326.90
  5. Step 5: Solve for x
    x = 3,810,083,326.90/69,779.36
  6. Step 6: Final answer
    x = 54,601.87

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1.5x scale

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.