Home / 45,670.83-68,459.86-30,881.44

Finding the Fourth Proportional to 45,670.83, 68,459.86 and 30,881.44

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Solution

The fourth proportional to 45,670.83, 68,459.86 and 30,881.44 is: 46,290.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,670.83 : 68,459.86 = 30,881.44 : x
  2. Step 2: Convert to fraction form
    45,670.83/68,459.86 = 30,881.44/x
  3. Step 3: Cross multiply
    45,670.83x = 68,459.86 × 30,881.44
  4. Step 4: Simplify right side
    45,670.83x = 2,114,139,059.00
  5. Step 5: Solve for x
    x = 2,114,139,059.00/45,670.83
  6. Step 6: Final answer
    x = 46,290.80

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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.