Home / 78,442.62-108,260.04-46,611.54

Finding the Fourth Proportional to 78,442.62, 108,260.04 and 46,611.54

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Solution

The fourth proportional to 78,442.62, 108,260.04 and 46,611.54 is: 64,329.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,442.62 : 108,260.04 = 46,611.54 : x
  2. Step 2: Convert to fraction form
    78,442.62/108,260.04 = 46,611.54/x
  3. Step 3: Cross multiply
    78,442.62x = 108,260.04 × 46,611.54
  4. Step 4: Simplify right side
    78,442.62x = 5,046,167,184.86
  5. Step 5: Solve for x
    x = 5,046,167,184.86/78,442.62
  6. Step 6: Final answer
    x = 64,329.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.