Home / 54,289.09-74,933.91-38,159.96

Finding the Fourth Proportional to 54,289.09, 74,933.91 and 38,159.96

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Solution

The fourth proportional to 54,289.09, 74,933.91 and 38,159.96 is: 52,671.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,289.09 : 74,933.91 = 38,159.96 : x
  2. Step 2: Convert to fraction form
    54,289.09/74,933.91 = 38,159.96/x
  3. Step 3: Cross multiply
    54,289.09x = 74,933.91 × 38,159.96
  4. Step 4: Simplify right side
    54,289.09x = 2,859,475,055.08
  5. Step 5: Solve for x
    x = 2,859,475,055.08/54,289.09
  6. Step 6: Final answer
    x = 52,671.27

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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.