Home / 75,402.48-113,103.64-44,220.72

Finding the Fourth Proportional to 75,402.48, 113,103.64 and 44,220.72

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Solution

The fourth proportional to 75,402.48, 113,103.64 and 44,220.72 is: 66,331.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,402.48 : 113,103.64 = 44,220.72 : x
  2. Step 2: Convert to fraction form
    75,402.48/113,103.64 = 44,220.72/x
  3. Step 3: Cross multiply
    75,402.48x = 113,103.64 × 44,220.72
  4. Step 4: Simplify right side
    75,402.48x = 5,001,524,395.42
  5. Step 5: Solve for x
    x = 5,001,524,395.42/75,402.48
  6. Step 6: Final answer
    x = 66,331.03

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1.5x scale

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.