Home / 53,417.28-80,207.46-45,204.96

Finding the Fourth Proportional to 53,417.28, 80,207.46 and 45,204.96

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Solution

The fourth proportional to 53,417.28, 80,207.46 and 45,204.96 is: 67,876.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,417.28 : 80,207.46 = 45,204.96 : x
  2. Step 2: Convert to fraction form
    53,417.28/80,207.46 = 45,204.96/x
  3. Step 3: Cross multiply
    53,417.28x = 80,207.46 × 45,204.96
  4. Step 4: Simplify right side
    53,417.28x = 3,625,775,021.00
  5. Step 5: Solve for x
    x = 3,625,775,021.00/53,417.28
  6. Step 6: Final answer
    x = 67,876.44

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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.