Home / 53,200.67-73,422.10-39,748.57

Finding the Fourth Proportional to 53,200.67, 73,422.10 and 39,748.57

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Solution

The fourth proportional to 53,200.67, 73,422.10 and 39,748.57 is: 54,856.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,200.67 : 73,422.10 = 39,748.57 : x
  2. Step 2: Convert to fraction form
    53,200.67/73,422.10 = 39,748.57/x
  3. Step 3: Cross multiply
    53,200.67x = 73,422.10 × 39,748.57
  4. Step 4: Simplify right side
    53,200.67x = 2,918,423,481.40
  5. Step 5: Solve for x
    x = 2,918,423,481.40/53,200.67
  6. Step 6: Final answer
    x = 54,856.89

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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.