Home / 45,112.28-67,590.64-29,905.52

Finding the Fourth Proportional to 45,112.28, 67,590.64 and 29,905.52

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Solution

The fourth proportional to 45,112.28, 67,590.64 and 29,905.52 is: 44,806.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,112.28 : 67,590.64 = 29,905.52 : x
  2. Step 2: Convert to fraction form
    45,112.28/67,590.64 = 29,905.52/x
  3. Step 3: Cross multiply
    45,112.28x = 67,590.64 × 29,905.52
  4. Step 4: Simplify right side
    45,112.28x = 2,021,333,236.33
  5. Step 5: Solve for x
    x = 2,021,333,236.33/45,112.28
  6. Step 6: Final answer
    x = 44,806.72

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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.