Home / 65,037.20-89,749.42-36,356.92

Finding the Fourth Proportional to 65,037.20, 89,749.42 and 36,356.92

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Solution

The fourth proportional to 65,037.20, 89,749.42 and 36,356.92 is: 50,171.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,037.20 : 89,749.42 = 36,356.92 : x
  2. Step 2: Convert to fraction form
    65,037.20/89,749.42 = 36,356.92/x
  3. Step 3: Cross multiply
    65,037.20x = 89,749.42 × 36,356.92
  4. Step 4: Simplify right side
    65,037.20x = 3,263,012,167.72
  5. Step 5: Solve for x
    x = 3,263,012,167.72/65,037.20
  6. Step 6: Final answer
    x = 50,171.48

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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.