Home / 75,090.24-103,615.20-41,562.72

Finding the Fourth Proportional to 75,090.24, 103,615.20 and 41,562.72

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Solution

The fourth proportional to 75,090.24, 103,615.20 and 41,562.72 is: 57,351.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,090.24 : 103,615.20 = 41,562.72 : x
  2. Step 2: Convert to fraction form
    75,090.24/103,615.20 = 41,562.72/x
  3. Step 3: Cross multiply
    75,090.24x = 103,615.20 × 41,562.72
  4. Step 4: Simplify right side
    75,090.24x = 4,306,529,545.34
  5. Step 5: Solve for x
    x = 4,306,529,545.34/75,090.24
  6. Step 6: Final answer
    x = 57,351.39

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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.