Home / 64,609.90-96,914.85-20,236.81

Finding the Fourth Proportional to 64,609.90, 96,914.85 and 20,236.81

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Solution

The fourth proportional to 64,609.90, 96,914.85 and 20,236.81 is: 30,355.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,609.90 : 96,914.85 = 20,236.81 : x
  2. Step 2: Convert to fraction form
    64,609.90/96,914.85 = 20,236.81/x
  3. Step 3: Cross multiply
    64,609.90x = 96,914.85 × 20,236.81
  4. Step 4: Simplify right side
    64,609.90x = 1,961,247,712.49
  5. Step 5: Solve for x
    x = 1,961,247,712.49/64,609.90
  6. Step 6: Final answer
    x = 30,355.22

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1.5x scale

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.