Home / 121,624.26-182,432.40-55,064.40

Finding the Fourth Proportional to 121,624.26, 182,432.40 and 55,064.40

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Solution

The fourth proportional to 121,624.26, 182,432.40 and 55,064.40 is: 82,594.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,624.26 : 182,432.40 = 55,064.40 : x
  2. Step 2: Convert to fraction form
    121,624.26/182,432.40 = 55,064.40/x
  3. Step 3: Cross multiply
    121,624.26x = 182,432.40 × 55,064.40
  4. Step 4: Simplify right side
    121,624.26x = 10,045,530,646.56
  5. Step 5: Solve for x
    x = 10,045,530,646.56/121,624.26
  6. Step 6: Final answer
    x = 82,594.79

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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.