Home / 74,444.25-102,749.27-45,788.55

Finding the Fourth Proportional to 74,444.25, 102,749.27 and 45,788.55

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Solution

The fourth proportional to 74,444.25, 102,749.27 and 45,788.55 is: 63,198.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,444.25 : 102,749.27 = 45,788.55 : x
  2. Step 2: Convert to fraction form
    74,444.25/102,749.27 = 45,788.55/x
  3. Step 3: Cross multiply
    74,444.25x = 102,749.27 × 45,788.55
  4. Step 4: Simplify right side
    74,444.25x = 4,704,740,086.86
  5. Step 5: Solve for x
    x = 4,704,740,086.86/74,444.25
  6. Step 6: Final answer
    x = 63,198.17

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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.