Home / 43,715.10-65,573.04-12,550.34

Finding the Fourth Proportional to 43,715.10, 65,573.04 and 12,550.34

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Solution

The fourth proportional to 43,715.10, 65,573.04 and 12,550.34 is: 18,825.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,715.10 : 65,573.04 = 12,550.34 : x
  2. Step 2: Convert to fraction form
    43,715.10/65,573.04 = 12,550.34/x
  3. Step 3: Cross multiply
    43,715.10x = 65,573.04 × 12,550.34
  4. Step 4: Simplify right side
    43,715.10x = 822,963,946.83
  5. Step 5: Solve for x
    x = 822,963,946.83/43,715.10
  6. Step 6: Final answer
    x = 18,825.62

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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.