Home / 55,563.92-76,598.50-39,620.72

Finding the Fourth Proportional to 55,563.92, 76,598.50 and 39,620.72

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Solution

The fourth proportional to 55,563.92, 76,598.50 and 39,620.72 is: 54,619.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,563.92 : 76,598.50 = 39,620.72 : x
  2. Step 2: Convert to fraction form
    55,563.92/76,598.50 = 39,620.72/x
  3. Step 3: Cross multiply
    55,563.92x = 76,598.50 × 39,620.72
  4. Step 4: Simplify right side
    55,563.92x = 3,034,887,720.92
  5. Step 5: Solve for x
    x = 3,034,887,720.92/55,563.92
  6. Step 6: Final answer
    x = 54,619.76

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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.