Home / 74,444.76-102,749.97-45,789.05

Finding the Fourth Proportional to 74,444.76, 102,749.97 and 45,789.05

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Solution

The fourth proportional to 74,444.76, 102,749.97 and 45,789.05 is: 63,198.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,444.76 : 102,749.97 = 45,789.05 : x
  2. Step 2: Convert to fraction form
    74,444.76/102,749.97 = 45,789.05/x
  3. Step 3: Cross multiply
    74,444.76x = 102,749.97 × 45,789.05
  4. Step 4: Simplify right side
    74,444.76x = 4,704,823,000.08
  5. Step 5: Solve for x
    x = 4,704,823,000.08/74,444.76
  6. Step 6: Final answer
    x = 63,198.85

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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.