Home / 66,462.45-91,717.81-36,247.20

Finding the Fourth Proportional to 66,462.45, 91,717.81 and 36,247.20

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Solution

The fourth proportional to 66,462.45, 91,717.81 and 36,247.20 is: 50,020.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,462.45 : 91,717.81 = 36,247.20 : x
  2. Step 2: Convert to fraction form
    66,462.45/91,717.81 = 36,247.20/x
  3. Step 3: Cross multiply
    66,462.45x = 91,717.81 × 36,247.20
  4. Step 4: Simplify right side
    66,462.45x = 3,324,513,802.63
  5. Step 5: Solve for x
    x = 3,324,513,802.63/66,462.45
  6. Step 6: Final answer
    x = 50,020.93

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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.