Home / 83,416.29-125,140.77-30,826.23

Finding the Fourth Proportional to 83,416.29, 125,140.77 and 30,826.23

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Solution

The fourth proportional to 83,416.29, 125,140.77 and 30,826.23 is: 46,245.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,416.29 : 125,140.77 = 30,826.23 : x
  2. Step 2: Convert to fraction form
    83,416.29/125,140.77 = 30,826.23/x
  3. Step 3: Cross multiply
    83,416.29x = 125,140.77 × 30,826.23
  4. Step 4: Simplify right side
    83,416.29x = 3,857,618,158.40
  5. Step 5: Solve for x
    x = 3,857,618,158.40/83,416.29
  6. Step 6: Final answer
    x = 46,245.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.