Home / 123,286.76-185,035.03-48,459.16

Finding the Fourth Proportional to 123,286.76, 185,035.03 and 48,459.16

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Solution

The fourth proportional to 123,286.76, 185,035.03 and 48,459.16 is: 72,729.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,286.76 : 185,035.03 = 48,459.16 : x
  2. Step 2: Convert to fraction form
    123,286.76/185,035.03 = 48,459.16/x
  3. Step 3: Cross multiply
    123,286.76x = 185,035.03 × 48,459.16
  4. Step 4: Simplify right side
    123,286.76x = 8,966,642,507.10
  5. Step 5: Solve for x
    x = 8,966,642,507.10/123,286.76
  6. Step 6: Final answer
    x = 72,729.97

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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.