Home / 117,310.60-175,964.30-38,427.40

Finding the Fourth Proportional to 117,310.60, 175,964.30 and 38,427.40

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Solution

The fourth proportional to 117,310.60, 175,964.30 and 38,427.40 is: 57,640.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,310.60 : 175,964.30 = 38,427.40 : x
  2. Step 2: Convert to fraction form
    117,310.60/175,964.30 = 38,427.40/x
  3. Step 3: Cross multiply
    117,310.60x = 175,964.30 × 38,427.40
  4. Step 4: Simplify right side
    117,310.60x = 6,761,850,541.82
  5. Step 5: Solve for x
    x = 6,761,850,541.82/117,310.60
  6. Step 6: Final answer
    x = 57,640.58

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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.