Home / 90,446.68-124,823.89-50,173.43

Finding the Fourth Proportional to 90,446.68, 124,823.89 and 50,173.43

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Solution

The fourth proportional to 90,446.68, 124,823.89 and 50,173.43 is: 69,243.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,446.68 : 124,823.89 = 50,173.43 : x
  2. Step 2: Convert to fraction form
    90,446.68/124,823.89 = 50,173.43/x
  3. Step 3: Cross multiply
    90,446.68x = 124,823.89 × 50,173.43
  4. Step 4: Simplify right side
    90,446.68x = 6,262,841,863.61
  5. Step 5: Solve for x
    x = 6,262,841,863.61/90,446.68
  6. Step 6: Final answer
    x = 69,243.47

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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.