Home / 45,649.44-62,972.64-28,892.16

Finding the Fourth Proportional to 45,649.44, 62,972.64 and 28,892.16

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Solution

The fourth proportional to 45,649.44, 62,972.64 and 28,892.16 is: 39,856.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,649.44 : 62,972.64 = 28,892.16 : x
  2. Step 2: Convert to fraction form
    45,649.44/62,972.64 = 28,892.16/x
  3. Step 3: Cross multiply
    45,649.44x = 62,972.64 × 28,892.16
  4. Step 4: Simplify right side
    45,649.44x = 1,819,415,590.50
  5. Step 5: Solve for x
    x = 1,819,415,590.50/45,649.44
  6. Step 6: Final answer
    x = 39,856.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.