Home / 50,109.18-75,083.81-36,720.13

Finding the Fourth Proportional to 50,109.18, 75,083.81 and 36,720.13

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Solution

The fourth proportional to 50,109.18, 75,083.81 and 36,720.13 is: 55,021.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,109.18 : 75,083.81 = 36,720.13 : x
  2. Step 2: Convert to fraction form
    50,109.18/75,083.81 = 36,720.13/x
  3. Step 3: Cross multiply
    50,109.18x = 75,083.81 × 36,720.13
  4. Step 4: Simplify right side
    50,109.18x = 2,757,087,187.32
  5. Step 5: Solve for x
    x = 2,757,087,187.32/50,109.18
  6. Step 6: Final answer
    x = 55,021.60

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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.