Home / 75,289.40-103,900.50-41,301.20

Finding the Fourth Proportional to 75,289.40, 103,900.50 and 41,301.20

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Solution

The fourth proportional to 75,289.40, 103,900.50 and 41,301.20 is: 56,996.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,289.40 : 103,900.50 = 41,301.20 : x
  2. Step 2: Convert to fraction form
    75,289.40/103,900.50 = 41,301.20/x
  3. Step 3: Cross multiply
    75,289.40x = 103,900.50 × 41,301.20
  4. Step 4: Simplify right side
    75,289.40x = 4,291,215,330.60
  5. Step 5: Solve for x
    x = 4,291,215,330.60/75,289.40
  6. Step 6: Final answer
    x = 56,996.27

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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.