Home / 44,293.05-66,428.22-13,121.01

Finding the Fourth Proportional to 44,293.05, 66,428.22 and 13,121.01

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Solution

The fourth proportional to 44,293.05, 66,428.22 and 13,121.01 is: 19,678.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,293.05 : 66,428.22 = 13,121.01 : x
  2. Step 2: Convert to fraction form
    44,293.05/66,428.22 = 13,121.01/x
  3. Step 3: Cross multiply
    44,293.05x = 66,428.22 × 13,121.01
  4. Step 4: Simplify right side
    44,293.05x = 871,605,338.90
  5. Step 5: Solve for x
    x = 871,605,338.90/44,293.05
  6. Step 6: Final answer
    x = 19,678.15

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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.