Home / 52,622.69-78,550.16-45,979.61

Finding the Fourth Proportional to 52,622.69, 78,550.16 and 45,979.61

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Solution

The fourth proportional to 52,622.69, 78,550.16 and 45,979.61 is: 68,634.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,622.69 : 78,550.16 = 45,979.61 : x
  2. Step 2: Convert to fraction form
    52,622.69/78,550.16 = 45,979.61/x
  3. Step 3: Cross multiply
    52,622.69x = 78,550.16 × 45,979.61
  4. Step 4: Simplify right side
    52,622.69x = 3,611,705,722.24
  5. Step 5: Solve for x
    x = 3,611,705,722.24/52,622.69
  6. Step 6: Final answer
    x = 68,634.00

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.