Home / 104,779.26-157,103.15-76,326.39

Finding the Fourth Proportional to 104,779.26, 157,103.15 and 76,326.39

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Solution

The fourth proportional to 104,779.26, 157,103.15 and 76,326.39 is: 114,441.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,779.26 : 157,103.15 = 76,326.39 : x
  2. Step 2: Convert to fraction form
    104,779.26/157,103.15 = 76,326.39/x
  3. Step 3: Cross multiply
    104,779.26x = 157,103.15 × 76,326.39
  4. Step 4: Simplify right side
    104,779.26x = 11,991,115,915.50
  5. Step 5: Solve for x
    x = 11,991,115,915.50/104,779.26
  6. Step 6: Final answer
    x = 114,441.69

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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.