Home / 45,642.54-68,364.18-28,059.06

Finding the Fourth Proportional to 45,642.54, 68,364.18 and 28,059.06

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Solution

The fourth proportional to 45,642.54, 68,364.18 and 28,059.06 is: 42,027.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,642.54 : 68,364.18 = 28,059.06 : x
  2. Step 2: Convert to fraction form
    45,642.54/68,364.18 = 28,059.06/x
  3. Step 3: Cross multiply
    45,642.54x = 68,364.18 × 28,059.06
  4. Step 4: Simplify right side
    45,642.54x = 1,918,234,628.47
  5. Step 5: Solve for x
    x = 1,918,234,628.47/45,642.54
  6. Step 6: Final answer
    x = 42,027.34

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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.