Home / 83,606.33-125,409.15-30,285.84

Finding the Fourth Proportional to 83,606.33, 125,409.15 and 30,285.84

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Solution

The fourth proportional to 83,606.33, 125,409.15 and 30,285.84 is: 45,428.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,606.33 : 125,409.15 = 30,285.84 : x
  2. Step 2: Convert to fraction form
    83,606.33/125,409.15 = 30,285.84/x
  3. Step 3: Cross multiply
    83,606.33x = 125,409.15 × 30,285.84
  4. Step 4: Simplify right side
    83,606.33x = 3,798,121,451.44
  5. Step 5: Solve for x
    x = 3,798,121,451.44/83,606.33
  6. Step 6: Final answer
    x = 45,428.64

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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.