Home / 43,210.61-64,815.83-16,896.90

Finding the Fourth Proportional to 43,210.61, 64,815.83 and 16,896.90

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Solution

The fourth proportional to 43,210.61, 64,815.83 and 16,896.90 is: 25,345.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,210.61 : 64,815.83 = 16,896.90 : x
  2. Step 2: Convert to fraction form
    43,210.61/64,815.83 = 16,896.90/x
  3. Step 3: Cross multiply
    43,210.61x = 64,815.83 × 16,896.90
  4. Step 4: Simplify right side
    43,210.61x = 1,095,186,513.44
  5. Step 5: Solve for x
    x = 1,095,186,513.44/43,210.61
  6. Step 6: Final answer
    x = 25,345.32

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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.