Home / 43,066.62-64,599.92-13,486.76

Finding the Fourth Proportional to 43,066.62, 64,599.92 and 13,486.76

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Solution

The fourth proportional to 43,066.62, 64,599.92 and 13,486.76 is: 20,230.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,066.62 : 64,599.92 = 13,486.76 : x
  2. Step 2: Convert to fraction form
    43,066.62/64,599.92 = 13,486.76/x
  3. Step 3: Cross multiply
    43,066.62x = 64,599.92 × 13,486.76
  4. Step 4: Simplify right side
    43,066.62x = 871,243,617.06
  5. Step 5: Solve for x
    x = 871,243,617.06/43,066.62
  6. Step 6: Final answer
    x = 20,230.14

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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.