Home / 123,539.66-185,309.48-30,044.60

Finding the Fourth Proportional to 123,539.66, 185,309.48 and 30,044.60

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Solution

The fourth proportional to 123,539.66, 185,309.48 and 30,044.60 is: 45,066.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,539.66 : 185,309.48 = 30,044.60 : x
  2. Step 2: Convert to fraction form
    123,539.66/185,309.48 = 30,044.60/x
  3. Step 3: Cross multiply
    123,539.66x = 185,309.48 × 30,044.60
  4. Step 4: Simplify right side
    123,539.66x = 5,567,549,202.81
  5. Step 5: Solve for x
    x = 5,567,549,202.81/123,539.66
  6. Step 6: Final answer
    x = 45,066.90

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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.