Home / 108,780.77-163,170.86-33,905.18

Finding the Fourth Proportional to 108,780.77, 163,170.86 and 33,905.18

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Solution

The fourth proportional to 108,780.77, 163,170.86 and 33,905.18 is: 50,857.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,780.77 : 163,170.86 = 33,905.18 : x
  2. Step 2: Convert to fraction form
    108,780.77/163,170.86 = 33,905.18/x
  3. Step 3: Cross multiply
    108,780.77x = 163,170.86 × 33,905.18
  4. Step 4: Simplify right side
    108,780.77x = 5,532,337,617.46
  5. Step 5: Solve for x
    x = 5,532,337,617.46/108,780.77
  6. Step 6: Final answer
    x = 50,857.68

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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.