Home / 109,860.05-164,790.08-50,678.21

Finding the Fourth Proportional to 109,860.05, 164,790.08 and 50,678.21

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Solution

The fourth proportional to 109,860.05, 164,790.08 and 50,678.21 is: 76,017.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,860.05 : 164,790.08 = 50,678.21 : x
  2. Step 2: Convert to fraction form
    109,860.05/164,790.08 = 50,678.21/x
  3. Step 3: Cross multiply
    109,860.05x = 164,790.08 × 50,678.21
  4. Step 4: Simplify right side
    109,860.05x = 8,351,266,026.77
  5. Step 5: Solve for x
    x = 8,351,266,026.77/109,860.05
  6. Step 6: Final answer
    x = 76,017.32

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Similar ratio
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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.