Home / 75,779.28-104,573.00-41,789.20

Finding the Fourth Proportional to 75,779.28, 104,573.00 and 41,789.20

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Solution

The fourth proportional to 75,779.28, 104,573.00 and 41,789.20 is: 57,667.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,779.28 : 104,573.00 = 41,789.20 : x
  2. Step 2: Convert to fraction form
    75,779.28/104,573.00 = 41,789.20/x
  3. Step 3: Cross multiply
    75,779.28x = 104,573.00 × 41,789.20
  4. Step 4: Simplify right side
    75,779.28x = 4,370,021,854.64
  5. Step 5: Solve for x
    x = 4,370,021,854.64/75,779.28
  6. Step 6: Final answer
    x = 57,667.77

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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.