Home / 45,768.08-68,666.52-19,459.28

Finding the Fourth Proportional to 45,768.08, 68,666.52 and 19,459.28

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Solution

The fourth proportional to 45,768.08, 68,666.52 and 19,459.28 is: 29,195.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,768.08 : 68,666.52 = 19,459.28 : x
  2. Step 2: Convert to fraction form
    45,768.08/68,666.52 = 19,459.28/x
  3. Step 3: Cross multiply
    45,768.08x = 68,666.52 × 19,459.28
  4. Step 4: Simplify right side
    45,768.08x = 1,336,201,039.31
  5. Step 5: Solve for x
    x = 1,336,201,039.31/45,768.08
  6. Step 6: Final answer
    x = 29,195.04

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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.