Home / 117,691.44-176,437.64-51,081.50

Finding the Fourth Proportional to 117,691.44, 176,437.64 and 51,081.50

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Solution

The fourth proportional to 117,691.44, 176,437.64 and 51,081.50 is: 76,579.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,691.44 : 176,437.64 = 51,081.50 : x
  2. Step 2: Convert to fraction form
    117,691.44/176,437.64 = 51,081.50/x
  3. Step 3: Cross multiply
    117,691.44x = 176,437.64 × 51,081.50
  4. Step 4: Simplify right side
    117,691.44x = 9,012,699,307.66
  5. Step 5: Solve for x
    x = 9,012,699,307.66/117,691.44
  6. Step 6: Final answer
    x = 76,579.06

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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.