Home / 45,579.75-62,903.21-25,440.55

Finding the Fourth Proportional to 45,579.75, 62,903.21 and 25,440.55

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Solution

The fourth proportional to 45,579.75, 62,903.21 and 25,440.55 is: 35,109.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,579.75 : 62,903.21 = 25,440.55 : x
  2. Step 2: Convert to fraction form
    45,579.75/62,903.21 = 25,440.55/x
  3. Step 3: Cross multiply
    45,579.75x = 62,903.21 × 25,440.55
  4. Step 4: Simplify right side
    45,579.75x = 1,600,292,259.17
  5. Step 5: Solve for x
    x = 1,600,292,259.17/45,579.75
  6. Step 6: Final answer
    x = 35,109.72

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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.