Home / 123,135.48-184,713.69-38,873.10

Finding the Fourth Proportional to 123,135.48, 184,713.69 and 38,873.10

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Solution

The fourth proportional to 123,135.48, 184,713.69 and 38,873.10 is: 58,312.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,135.48 : 184,713.69 = 38,873.10 : x
  2. Step 2: Convert to fraction form
    123,135.48/184,713.69 = 38,873.10/x
  3. Step 3: Cross multiply
    123,135.48x = 184,713.69 × 38,873.10
  4. Step 4: Simplify right side
    123,135.48x = 7,180,393,742.74
  5. Step 5: Solve for x
    x = 7,180,393,742.74/123,135.48
  6. Step 6: Final answer
    x = 58,312.96

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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.