Home / 117,009.62-175,480.94-38,130.74

Finding the Fourth Proportional to 117,009.62, 175,480.94 and 38,130.74

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Solution

The fourth proportional to 117,009.62, 175,480.94 and 38,130.74 is: 57,185.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,009.62 : 175,480.94 = 38,130.74 : x
  2. Step 2: Convert to fraction form
    117,009.62/175,480.94 = 38,130.74/x
  3. Step 3: Cross multiply
    117,009.62x = 175,480.94 × 38,130.74
  4. Step 4: Simplify right side
    117,009.62x = 6,691,218,098.10
  5. Step 5: Solve for x
    x = 6,691,218,098.10/117,009.62
  6. Step 6: Final answer
    x = 57,185.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.