Home / 108,959.06-163,438.59-38,789.16

Finding the Fourth Proportional to 108,959.06, 163,438.59 and 38,789.16

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Solution

The fourth proportional to 108,959.06, 163,438.59 and 38,789.16 is: 58,183.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,959.06 : 163,438.59 = 38,789.16 : x
  2. Step 2: Convert to fraction form
    108,959.06/163,438.59 = 38,789.16/x
  3. Step 3: Cross multiply
    108,959.06x = 163,438.59 × 38,789.16
  4. Step 4: Simplify right side
    108,959.06x = 6,339,645,617.68
  5. Step 5: Solve for x
    x = 6,339,645,617.68/108,959.06
  6. Step 6: Final answer
    x = 58,183.74

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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.