Home / 45,560.45-68,345.54-19,267.85

Finding the Fourth Proportional to 45,560.45, 68,345.54 and 19,267.85

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Solution

The fourth proportional to 45,560.45, 68,345.54 and 19,267.85 is: 28,903.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,560.45 : 68,345.54 = 19,267.85 : x
  2. Step 2: Convert to fraction form
    45,560.45/68,345.54 = 19,267.85/x
  3. Step 3: Cross multiply
    45,560.45x = 68,345.54 × 19,267.85
  4. Step 4: Simplify right side
    45,560.45x = 1,316,871,174.82
  5. Step 5: Solve for x
    x = 1,316,871,174.82/45,560.45
  6. Step 6: Final answer
    x = 28,903.83

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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.