Home / 53,454.68-73,718.72-45,898.64

Finding the Fourth Proportional to 53,454.68, 73,718.72 and 45,898.64

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Solution

The fourth proportional to 53,454.68, 73,718.72 and 45,898.64 is: 63,298.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,454.68 : 73,718.72 = 45,898.64 : x
  2. Step 2: Convert to fraction form
    53,454.68/73,718.72 = 45,898.64/x
  3. Step 3: Cross multiply
    53,454.68x = 73,718.72 × 45,898.64
  4. Step 4: Simplify right side
    53,454.68x = 3,383,588,990.54
  5. Step 5: Solve for x
    x = 3,383,588,990.54/53,454.68
  6. Step 6: Final answer
    x = 63,298.27

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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.