Home / 83,634.04-125,451.42-28,268.92

Finding the Fourth Proportional to 83,634.04, 125,451.42 and 28,268.92

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Solution

The fourth proportional to 83,634.04, 125,451.42 and 28,268.92 is: 42,403.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,634.04 : 125,451.42 = 28,268.92 : x
  2. Step 2: Convert to fraction form
    83,634.04/125,451.42 = 28,268.92/x
  3. Step 3: Cross multiply
    83,634.04x = 125,451.42 × 28,268.92
  4. Step 4: Simplify right side
    83,634.04x = 3,546,376,155.87
  5. Step 5: Solve for x
    x = 3,546,376,155.87/83,634.04
  6. Step 6: Final answer
    x = 42,403.50

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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.