Home / 57,070.20-78,593.58-41,129.40

Finding the Fourth Proportional to 57,070.20, 78,593.58 and 41,129.40

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Solution

The fourth proportional to 57,070.20, 78,593.58 and 41,129.40 is: 56,640.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,070.20 : 78,593.58 = 41,129.40 : x
  2. Step 2: Convert to fraction form
    57,070.20/78,593.58 = 41,129.40/x
  3. Step 3: Cross multiply
    57,070.20x = 78,593.58 × 41,129.40
  4. Step 4: Simplify right side
    57,070.20x = 3,232,506,789.25
  5. Step 5: Solve for x
    x = 3,232,506,789.25/57,070.20
  6. Step 6: Final answer
    x = 56,640.89

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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.