Home / 79,137.36-118,734.12-26,546.76

Finding the Fourth Proportional to 79,137.36, 118,734.12 and 26,546.76

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Solution

The fourth proportional to 79,137.36, 118,734.12 and 26,546.76 is: 39,829.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,137.36 : 118,734.12 = 26,546.76 : x
  2. Step 2: Convert to fraction form
    79,137.36/118,734.12 = 26,546.76/x
  3. Step 3: Cross multiply
    79,137.36x = 118,734.12 × 26,546.76
  4. Step 4: Simplify right side
    79,137.36x = 3,152,006,187.45
  5. Step 5: Solve for x
    x = 3,152,006,187.45/79,137.36
  6. Step 6: Final answer
    x = 39,829.56

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1.5x scale

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.