Home / 79,140.60-118,676.16-23,723.64

Finding the Fourth Proportional to 79,140.60, 118,676.16 and 23,723.64

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Solution

The fourth proportional to 79,140.60, 118,676.16 and 23,723.64 is: 35,575.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,140.60 : 118,676.16 = 23,723.64 : x
  2. Step 2: Convert to fraction form
    79,140.60/118,676.16 = 23,723.64/x
  3. Step 3: Cross multiply
    79,140.60x = 118,676.16 × 23,723.64
  4. Step 4: Simplify right side
    79,140.60x = 2,815,430,496.42
  5. Step 5: Solve for x
    x = 2,815,430,496.42/79,140.60
  6. Step 6: Final answer
    x = 35,575.05

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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.