Home / 108,005.87-162,009.76-33,126.36

Finding the Fourth Proportional to 108,005.87, 162,009.76 and 33,126.36

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Solution

The fourth proportional to 108,005.87, 162,009.76 and 33,126.36 is: 49,689.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,005.87 : 162,009.76 = 33,126.36 : x
  2. Step 2: Convert to fraction form
    108,005.87/162,009.76 = 33,126.36/x
  3. Step 3: Cross multiply
    108,005.87x = 162,009.76 × 33,126.36
  4. Step 4: Simplify right side
    108,005.87x = 5,366,793,633.27
  5. Step 5: Solve for x
    x = 5,366,793,633.27/108,005.87
  6. Step 6: Final answer
    x = 49,689.84

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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.