Home / 79,296.37-109,432.15-43,487.69

Finding the Fourth Proportional to 79,296.37, 109,432.15 and 43,487.69

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Solution

The fourth proportional to 79,296.37, 109,432.15 and 43,487.69 is: 60,014.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,296.37 : 109,432.15 = 43,487.69 : x
  2. Step 2: Convert to fraction form
    79,296.37/109,432.15 = 43,487.69/x
  3. Step 3: Cross multiply
    79,296.37x = 109,432.15 × 43,487.69
  4. Step 4: Simplify right side
    79,296.37x = 4,758,950,759.35
  5. Step 5: Solve for x
    x = 4,758,950,759.35/79,296.37
  6. Step 6: Final answer
    x = 60,014.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.