Home / 117,976.40-176,968.96-39,097.52

Finding the Fourth Proportional to 117,976.40, 176,968.96 and 39,097.52

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Solution

The fourth proportional to 117,976.40, 176,968.96 and 39,097.52 is: 58,647.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,976.40 : 176,968.96 = 39,097.52 : x
  2. Step 2: Convert to fraction form
    117,976.40/176,968.96 = 39,097.52/x
  3. Step 3: Cross multiply
    117,976.40x = 176,968.96 × 39,097.52
  4. Step 4: Simplify right side
    117,976.40x = 6,919,047,452.98
  5. Step 5: Solve for x
    x = 6,919,047,452.98/117,976.40
  6. Step 6: Final answer
    x = 58,647.72

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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.