Home / 68,513.08-102,707.30-26,366.28

Finding the Fourth Proportional to 68,513.08, 102,707.30 and 26,366.28

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Solution

The fourth proportional to 68,513.08, 102,707.30 and 26,366.28 is: 39,525.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,513.08 : 102,707.30 = 26,366.28 : x
  2. Step 2: Convert to fraction form
    68,513.08/102,707.30 = 26,366.28/x
  3. Step 3: Cross multiply
    68,513.08x = 102,707.30 × 26,366.28
  4. Step 4: Simplify right side
    68,513.08x = 2,708,009,429.84
  5. Step 5: Solve for x
    x = 2,708,009,429.84/68,513.08
  6. Step 6: Final answer
    x = 39,525.44

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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.