Home / 123,291.18-184,938-39,049.74

Finding the Fourth Proportional to 123,291.18, 184,938 and 39,049.74

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Solution

The fourth proportional to 123,291.18, 184,938 and 39,049.74 is: 58,575.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,291.18 : 184,938 = 39,049.74 : x
  2. Step 2: Convert to fraction form
    123,291.18/184,938 = 39,049.74/x
  3. Step 3: Cross multiply
    123,291.18x = 184,938 × 39,049.74
  4. Step 4: Simplify right side
    123,291.18x = 7,221,780,816.12
  5. Step 5: Solve for x
    x = 7,221,780,816.12/123,291.18
  6. Step 6: Final answer
    x = 58,575.00

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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.