Home / 78,204.67-117,288.88-46,623.58

Finding the Fourth Proportional to 78,204.67, 117,288.88 and 46,623.58

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Solution

The fourth proportional to 78,204.67, 117,288.88 and 46,623.58 is: 69,924.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,204.67 : 117,288.88 = 46,623.58 : x
  2. Step 2: Convert to fraction form
    78,204.67/117,288.88 = 46,623.58/x
  3. Step 3: Cross multiply
    78,204.67x = 117,288.88 × 46,623.58
  4. Step 4: Simplify right side
    78,204.67x = 5,468,427,479.79
  5. Step 5: Solve for x
    x = 5,468,427,479.79/78,204.67
  6. Step 6: Final answer
    x = 69,924.56

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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.