Home / 53,029.20-73,179.28-29,155.64

Finding the Fourth Proportional to 53,029.20, 73,179.28 and 29,155.64

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Solution

The fourth proportional to 53,029.20, 73,179.28 and 29,155.64 is: 40,234.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,029.20 : 73,179.28 = 29,155.64 : x
  2. Step 2: Convert to fraction form
    53,029.20/73,179.28 = 29,155.64/x
  3. Step 3: Cross multiply
    53,029.20x = 73,179.28 × 29,155.64
  4. Step 4: Simplify right side
    53,029.20x = 2,133,588,743.14
  5. Step 5: Solve for x
    x = 2,133,588,743.14/53,029.20
  6. Step 6: Final answer
    x = 40,234.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.