Home / 65,189.21-89,957.99-40,033.85

Finding the Fourth Proportional to 65,189.21, 89,957.99 and 40,033.85

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Solution

The fourth proportional to 65,189.21, 89,957.99 and 40,033.85 is: 55,244.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,189.21 : 89,957.99 = 40,033.85 : x
  2. Step 2: Convert to fraction form
    65,189.21/89,957.99 = 40,033.85/x
  3. Step 3: Cross multiply
    65,189.21x = 89,957.99 × 40,033.85
  4. Step 4: Simplify right side
    65,189.21x = 3,601,364,328.26
  5. Step 5: Solve for x
    x = 3,601,364,328.26/65,189.21
  6. Step 6: Final answer
    x = 55,244.80

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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.