Home / 48,938.90-73,408.35-45,634.10

Finding the Fourth Proportional to 48,938.90, 73,408.35 and 45,634.10

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Solution

The fourth proportional to 48,938.90, 73,408.35 and 45,634.10 is: 68,451.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,938.90 : 73,408.35 = 45,634.10 : x
  2. Step 2: Convert to fraction form
    48,938.90/73,408.35 = 45,634.10/x
  3. Step 3: Cross multiply
    48,938.90x = 73,408.35 × 45,634.10
  4. Step 4: Simplify right side
    48,938.90x = 3,349,923,984.74
  5. Step 5: Solve for x
    x = 3,349,923,984.74/48,938.90
  6. Step 6: Final answer
    x = 68,451.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.