Home / 123,052.14-169,812.06-66,463.50

Finding the Fourth Proportional to 123,052.14, 169,812.06 and 66,463.50

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Solution

The fourth proportional to 123,052.14, 169,812.06 and 66,463.50 is: 91,719.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,052.14 : 169,812.06 = 66,463.50 : x
  2. Step 2: Convert to fraction form
    123,052.14/169,812.06 = 66,463.50/x
  3. Step 3: Cross multiply
    123,052.14x = 169,812.06 × 66,463.50
  4. Step 4: Simplify right side
    123,052.14x = 11,286,303,849.81
  5. Step 5: Solve for x
    x = 11,286,303,849.81/123,052.14
  6. Step 6: Final answer
    x = 91,719.69

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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.