Home / 123,911.08-170,995.18-67,322.05

Finding the Fourth Proportional to 123,911.08, 170,995.18 and 67,322.05

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Solution

The fourth proportional to 123,911.08, 170,995.18 and 67,322.05 is: 92,903.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,911.08 : 170,995.18 = 67,322.05 : x
  2. Step 2: Convert to fraction form
    123,911.08/170,995.18 = 67,322.05/x
  3. Step 3: Cross multiply
    123,911.08x = 170,995.18 × 67,322.05
  4. Step 4: Simplify right side
    123,911.08x = 11,511,746,057.72
  5. Step 5: Solve for x
    x = 11,511,746,057.72/123,911.08
  6. Step 6: Final answer
    x = 92,903.28

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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.