Home / 45,657.48-68,508.90-30,833.88

Finding the Fourth Proportional to 45,657.48, 68,508.90 and 30,833.88

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Solution

The fourth proportional to 45,657.48, 68,508.90 and 30,833.88 is: 46,266.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,657.48 : 68,508.90 = 30,833.88 : x
  2. Step 2: Convert to fraction form
    45,657.48/68,508.90 = 30,833.88/x
  3. Step 3: Cross multiply
    45,657.48x = 68,508.90 × 30,833.88
  4. Step 4: Simplify right side
    45,657.48x = 2,112,395,201.53
  5. Step 5: Solve for x
    x = 2,112,395,201.53/45,657.48
  6. Step 6: Final answer
    x = 46,266.14

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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.