Home / 64,512.60-96,639.30-36,778.20

Finding the Fourth Proportional to 64,512.60, 96,639.30 and 36,778.20

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Solution

The fourth proportional to 64,512.60, 96,639.30 and 36,778.20 is: 55,093.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,512.60 : 96,639.30 = 36,778.20 : x
  2. Step 2: Convert to fraction form
    64,512.60/96,639.30 = 36,778.20/x
  3. Step 3: Cross multiply
    64,512.60x = 96,639.30 × 36,778.20
  4. Step 4: Simplify right side
    64,512.60x = 3,554,219,503.26
  5. Step 5: Solve for x
    x = 3,554,219,503.26/64,512.60
  6. Step 6: Final answer
    x = 55,093.42

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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.