Home / 108,910.05-163,373.28-30,023.61

Finding the Fourth Proportional to 108,910.05, 163,373.28 and 30,023.61

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Solution

The fourth proportional to 108,910.05, 163,373.28 and 30,023.61 is: 45,037.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,910.05 : 163,373.28 = 30,023.61 : x
  2. Step 2: Convert to fraction form
    108,910.05/163,373.28 = 30,023.61/x
  3. Step 3: Cross multiply
    108,910.05x = 163,373.28 × 30,023.61
  4. Step 4: Simplify right side
    108,910.05x = 4,905,055,643.14
  5. Step 5: Solve for x
    x = 4,905,055,643.14/108,910.05
  6. Step 6: Final answer
    x = 45,037.68

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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.