Home / 108,276.12-162,431.69-33,378.74

Finding the Fourth Proportional to 108,276.12, 162,431.69 and 33,378.74

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Solution

The fourth proportional to 108,276.12, 162,431.69 and 33,378.74 is: 50,073.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,276.12 : 162,431.69 = 33,378.74 : x
  2. Step 2: Convert to fraction form
    108,276.12/162,431.69 = 33,378.74/x
  3. Step 3: Cross multiply
    108,276.12x = 162,431.69 × 33,378.74
  4. Step 4: Simplify right side
    108,276.12x = 5,421,765,637.80
  5. Step 5: Solve for x
    x = 5,421,765,637.80/108,276.12
  6. Step 6: Final answer
    x = 50,073.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.