Home / 65,109.52-89,836.20-36,809.04

Finding the Fourth Proportional to 65,109.52, 89,836.20 and 36,809.04

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Solution

The fourth proportional to 65,109.52, 89,836.20 and 36,809.04 is: 50,788.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,109.52 : 89,836.20 = 36,809.04 : x
  2. Step 2: Convert to fraction form
    65,109.52/89,836.20 = 36,809.04/x
  3. Step 3: Cross multiply
    65,109.52x = 89,836.20 × 36,809.04
  4. Step 4: Simplify right side
    65,109.52x = 3,306,784,279.25
  5. Step 5: Solve for x
    x = 3,306,784,279.25/65,109.52
  6. Step 6: Final answer
    x = 50,788.03

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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.