Home / 90,163.48-124,450.68-52,445.02

Finding the Fourth Proportional to 90,163.48, 124,450.68 and 52,445.02

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Solution

The fourth proportional to 90,163.48, 124,450.68 and 52,445.02 is: 72,388.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,163.48 : 124,450.68 = 52,445.02 : x
  2. Step 2: Convert to fraction form
    90,163.48/124,450.68 = 52,445.02/x
  3. Step 3: Cross multiply
    90,163.48x = 124,450.68 × 52,445.02
  4. Step 4: Simplify right side
    90,163.48x = 6,526,818,401.61
  5. Step 5: Solve for x
    x = 6,526,818,401.61/90,163.48
  6. Step 6: Final answer
    x = 72,388.71

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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.