Home / 65,272.03-90,074.63-36,591.55

Finding the Fourth Proportional to 65,272.03, 90,074.63 and 36,591.55

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Solution

The fourth proportional to 65,272.03, 90,074.63 and 36,591.55 is: 50,495.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,272.03 : 90,074.63 = 36,591.55 : x
  2. Step 2: Convert to fraction form
    65,272.03/90,074.63 = 36,591.55/x
  3. Step 3: Cross multiply
    65,272.03x = 90,074.63 × 36,591.55
  4. Step 4: Simplify right side
    65,272.03x = 3,295,970,193.67
  5. Step 5: Solve for x
    x = 3,295,970,193.67/65,272.03
  6. Step 6: Final answer
    x = 50,495.91

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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.