Home / 64,540.28-89,040.63-47,584.75

Finding the Fourth Proportional to 64,540.28, 89,040.63 and 47,584.75

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Solution

The fourth proportional to 64,540.28, 89,040.63 and 47,584.75 is: 65,648.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,540.28 : 89,040.63 = 47,584.75 : x
  2. Step 2: Convert to fraction form
    64,540.28/89,040.63 = 47,584.75/x
  3. Step 3: Cross multiply
    64,540.28x = 89,040.63 × 47,584.75
  4. Step 4: Simplify right side
    64,540.28x = 4,236,976,118.39
  5. Step 5: Solve for x
    x = 4,236,976,118.39/64,540.28
  6. Step 6: Final answer
    x = 65,648.55

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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.