Home / 79,119.45-109,166.49-46,837.85

Finding the Fourth Proportional to 79,119.45, 109,166.49 and 46,837.85

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Solution

The fourth proportional to 79,119.45, 109,166.49 and 46,837.85 is: 64,625.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,119.45 : 109,166.49 = 46,837.85 : x
  2. Step 2: Convert to fraction form
    79,119.45/109,166.49 = 46,837.85/x
  3. Step 3: Cross multiply
    79,119.45x = 109,166.49 × 46,837.85
  4. Step 4: Simplify right side
    79,119.45x = 5,113,123,137.81
  5. Step 5: Solve for x
    x = 5,113,123,137.81/79,119.45
  6. Step 6: Final answer
    x = 64,625.36

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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.