Home / 117,000.78-175,515.75-38,093.82

Finding the Fourth Proportional to 117,000.78, 175,515.75 and 38,093.82

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Solution

The fourth proportional to 117,000.78, 175,515.75 and 38,093.82 is: 57,145.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,000.78 : 175,515.75 = 38,093.82 : x
  2. Step 2: Convert to fraction form
    117,000.78/175,515.75 = 38,093.82/x
  3. Step 3: Cross multiply
    117,000.78x = 175,515.75 × 38,093.82
  4. Step 4: Simplify right side
    117,000.78x = 6,686,065,387.67
  5. Step 5: Solve for x
    x = 6,686,065,387.67/117,000.78
  6. Step 6: Final answer
    x = 57,145.48

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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.