Home / 45,695.94-68,545.26-12,415.83

Finding the Fourth Proportional to 45,695.94, 68,545.26 and 12,415.83

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Solution

The fourth proportional to 45,695.94, 68,545.26 and 12,415.83 is: 18,624.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,695.94 : 68,545.26 = 12,415.83 : x
  2. Step 2: Convert to fraction form
    45,695.94/68,545.26 = 12,415.83/x
  3. Step 3: Cross multiply
    45,695.94x = 68,545.26 × 12,415.83
  4. Step 4: Simplify right side
    45,695.94x = 851,046,295.47
  5. Step 5: Solve for x
    x = 851,046,295.47/45,695.94
  6. Step 6: Final answer
    x = 18,624.11

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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.