Home / 65,150.22-89,911.65-36,472.43

Finding the Fourth Proportional to 65,150.22, 89,911.65 and 36,472.43

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Solution

The fourth proportional to 65,150.22, 89,911.65 and 36,472.43 is: 50,334.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,150.22 : 89,911.65 = 36,472.43 : x
  2. Step 2: Convert to fraction form
    65,150.22/89,911.65 = 36,472.43/x
  3. Step 3: Cross multiply
    65,150.22x = 89,911.65 × 36,472.43
  4. Step 4: Simplify right side
    65,150.22x = 3,279,296,360.81
  5. Step 5: Solve for x
    x = 3,279,296,360.81/65,150.22
  6. Step 6: Final answer
    x = 50,334.39

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1.5x scale

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.