Home / 83,836.61-125,788.52-30,532.30

Finding the Fourth Proportional to 83,836.61, 125,788.52 and 30,532.30

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Solution

The fourth proportional to 83,836.61, 125,788.52 and 30,532.30 is: 45,810.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,836.61 : 125,788.52 = 30,532.30 : x
  2. Step 2: Convert to fraction form
    83,836.61/125,788.52 = 30,532.30/x
  3. Step 3: Cross multiply
    83,836.61x = 125,788.52 × 30,532.30
  4. Step 4: Simplify right side
    83,836.61x = 3,840,612,811.26
  5. Step 5: Solve for x
    x = 3,840,612,811.26/83,836.61
  6. Step 6: Final answer
    x = 45,810.69

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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.