Home / 65,352.20-90,182.29-36,279.07

Finding the Fourth Proportional to 65,352.20, 90,182.29 and 36,279.07

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Solution

The fourth proportional to 65,352.20, 90,182.29 and 36,279.07 is: 50,063.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,352.20 : 90,182.29 = 36,279.07 : x
  2. Step 2: Convert to fraction form
    65,352.20/90,182.29 = 36,279.07/x
  3. Step 3: Cross multiply
    65,352.20x = 90,182.29 × 36,279.07
  4. Step 4: Simplify right side
    65,352.20x = 3,271,728,979.36
  5. Step 5: Solve for x
    x = 3,271,728,979.36/65,352.20
  6. Step 6: Final answer
    x = 50,063.03

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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.