Home / 47,779.03-71,668.55-21,453.02

Finding the Fourth Proportional to 47,779.03, 71,668.55 and 21,453.02

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Solution

The fourth proportional to 47,779.03, 71,668.55 and 21,453.02 is: 32,179.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,779.03 : 71,668.55 = 21,453.02 : x
  2. Step 2: Convert to fraction form
    47,779.03/71,668.55 = 21,453.02/x
  3. Step 3: Cross multiply
    47,779.03x = 71,668.55 × 21,453.02
  4. Step 4: Simplify right side
    47,779.03x = 1,537,506,836.52
  5. Step 5: Solve for x
    x = 1,537,506,836.52/47,779.03
  6. Step 6: Final answer
    x = 32,179.53

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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.