Home / 57,319.23-79,103.01-31,825.60

Finding the Fourth Proportional to 57,319.23, 79,103.01 and 31,825.60

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Solution

The fourth proportional to 57,319.23, 79,103.01 and 31,825.60 is: 43,920.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,319.23 : 79,103.01 = 31,825.60 : x
  2. Step 2: Convert to fraction form
    57,319.23/79,103.01 = 31,825.60/x
  3. Step 3: Cross multiply
    57,319.23x = 79,103.01 × 31,825.60
  4. Step 4: Simplify right side
    57,319.23x = 2,517,500,755.06
  5. Step 5: Solve for x
    x = 2,517,500,755.06/57,319.23
  6. Step 6: Final answer
    x = 43,920.70

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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.