Home / 78,511.44-108,310.04-46,662.24

Finding the Fourth Proportional to 78,511.44, 108,310.04 and 46,662.24

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Solution

The fourth proportional to 78,511.44, 108,310.04 and 46,662.24 is: 64,372.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,511.44 : 108,310.04 = 46,662.24 : x
  2. Step 2: Convert to fraction form
    78,511.44/108,310.04 = 46,662.24/x
  3. Step 3: Cross multiply
    78,511.44x = 108,310.04 × 46,662.24
  4. Step 4: Simplify right side
    78,511.44x = 5,053,989,080.89
  5. Step 5: Solve for x
    x = 5,053,989,080.89/78,511.44
  6. Step 6: Final answer
    x = 64,372.65

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1.5x scale

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.