Home / 72,876.28-100,567.20-41,045.44

Finding the Fourth Proportional to 72,876.28, 100,567.20 and 41,045.44

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Solution

The fourth proportional to 72,876.28, 100,567.20 and 41,045.44 is: 56,641.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,876.28 : 100,567.20 = 41,045.44 : x
  2. Step 2: Convert to fraction form
    72,876.28/100,567.20 = 41,045.44/x
  3. Step 3: Cross multiply
    72,876.28x = 100,567.20 × 41,045.44
  4. Step 4: Simplify right side
    72,876.28x = 4,127,824,973.57
  5. Step 5: Solve for x
    x = 4,127,824,973.57/72,876.28
  6. Step 6: Final answer
    x = 56,641.54

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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.