Home / 78,924.96-108,915.08-43,114.05

Finding the Fourth Proportional to 78,924.96, 108,915.08 and 43,114.05

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Solution

The fourth proportional to 78,924.96, 108,915.08 and 43,114.05 is: 59,496.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,924.96 : 108,915.08 = 43,114.05 : x
  2. Step 2: Convert to fraction form
    78,924.96/108,915.08 = 43,114.05/x
  3. Step 3: Cross multiply
    78,924.96x = 108,915.08 × 43,114.05
  4. Step 4: Simplify right side
    78,924.96x = 4,695,770,204.87
  5. Step 5: Solve for x
    x = 4,695,770,204.87/78,924.96
  6. Step 6: Final answer
    x = 59,496.64

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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.