Home / 79,779.03-119,668.16-23,619.47

Finding the Fourth Proportional to 79,779.03, 119,668.16 and 23,619.47

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Solution

The fourth proportional to 79,779.03, 119,668.16 and 23,619.47 is: 35,429.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,779.03 : 119,668.16 = 23,619.47 : x
  2. Step 2: Convert to fraction form
    79,779.03/119,668.16 = 23,619.47/x
  3. Step 3: Cross multiply
    79,779.03x = 119,668.16 × 23,619.47
  4. Step 4: Simplify right side
    79,779.03x = 2,826,497,798.64
  5. Step 5: Solve for x
    x = 2,826,497,798.64/79,779.03
  6. Step 6: Final answer
    x = 35,429.08

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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.