Home / 53,220.96-73,450.14-39,768.84

Finding the Fourth Proportional to 53,220.96, 73,450.14 and 39,768.84

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Solution

The fourth proportional to 53,220.96, 73,450.14 and 39,768.84 is: 54,884.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,220.96 : 73,450.14 = 39,768.84 : x
  2. Step 2: Convert to fraction form
    53,220.96/73,450.14 = 39,768.84/x
  3. Step 3: Cross multiply
    53,220.96x = 73,450.14 × 39,768.84
  4. Step 4: Simplify right side
    53,220.96x = 2,921,026,865.64
  5. Step 5: Solve for x
    x = 2,921,026,865.64/53,220.96
  6. Step 6: Final answer
    x = 54,884.90

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Double scale
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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.