Home / 79,415.61-109,599.30-52,511.46

Finding the Fourth Proportional to 79,415.61, 109,599.30 and 52,511.46

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Solution

The fourth proportional to 79,415.61, 109,599.30 and 52,511.46 is: 72,469.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,415.61 : 109,599.30 = 52,511.46 : x
  2. Step 2: Convert to fraction form
    79,415.61/109,599.30 = 52,511.46/x
  3. Step 3: Cross multiply
    79,415.61x = 109,599.30 × 52,511.46
  4. Step 4: Simplify right side
    79,415.61x = 5,755,219,257.98
  5. Step 5: Solve for x
    x = 5,755,219,257.98/79,415.61
  6. Step 6: Final answer
    x = 72,469.62

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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.