Home / 52,957.33-73,128.56-39,505.21

Finding the Fourth Proportional to 52,957.33, 73,128.56 and 39,505.21

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Solution

The fourth proportional to 52,957.33, 73,128.56 and 39,505.21 is: 54,552.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,957.33 : 73,128.56 = 39,505.21 : x
  2. Step 2: Convert to fraction form
    52,957.33/73,128.56 = 39,505.21/x
  3. Step 3: Cross multiply
    52,957.33x = 73,128.56 × 39,505.21
  4. Step 4: Simplify right side
    52,957.33x = 2,888,958,739.45
  5. Step 5: Solve for x
    x = 2,888,958,739.45/52,957.33
  6. Step 6: Final answer
    x = 54,552.58

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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.