Home / 53,436.69-73,692.18-39,854.73

Finding the Fourth Proportional to 53,436.69, 73,692.18 and 39,854.73

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Solution

The fourth proportional to 53,436.69, 73,692.18 and 39,854.73 is: 54,961.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,436.69 : 73,692.18 = 39,854.73 : x
  2. Step 2: Convert to fraction form
    53,436.69/73,692.18 = 39,854.73/x
  3. Step 3: Cross multiply
    53,436.69x = 73,692.18 × 39,854.73
  4. Step 4: Simplify right side
    53,436.69x = 2,936,982,213.36
  5. Step 5: Solve for x
    x = 2,936,982,213.36/53,436.69
  6. Step 6: Final answer
    x = 54,961.91

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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.