Home / 65,178.26-89,947.38-36,883.94

Finding the Fourth Proportional to 65,178.26, 89,947.38 and 36,883.94

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Solution

The fourth proportional to 65,178.26, 89,947.38 and 36,883.94 is: 50,900.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,178.26 : 89,947.38 = 36,883.94 : x
  2. Step 2: Convert to fraction form
    65,178.26/89,947.38 = 36,883.94/x
  3. Step 3: Cross multiply
    65,178.26x = 89,947.38 × 36,883.94
  4. Step 4: Simplify right side
    65,178.26x = 3,317,613,767.08
  5. Step 5: Solve for x
    x = 3,317,613,767.08/65,178.26
  6. Step 6: Final answer
    x = 50,900.62

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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.