Home / 53,198.67-73,419.34-39,746.57

Finding the Fourth Proportional to 53,198.67, 73,419.34 and 39,746.57

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Solution

The fourth proportional to 53,198.67, 73,419.34 and 39,746.57 is: 54,854.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,198.67 : 73,419.34 = 39,746.57 : x
  2. Step 2: Convert to fraction form
    53,198.67/73,419.34 = 39,746.57/x
  3. Step 3: Cross multiply
    53,198.67x = 73,419.34 × 39,746.57
  4. Step 4: Simplify right side
    53,198.67x = 2,918,167,020.85
  5. Step 5: Solve for x
    x = 2,918,167,020.85/53,198.67
  6. Step 6: Final answer
    x = 54,854.13

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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.