Home / 69,018.92-103,529.33-45,477.17

Finding the Fourth Proportional to 69,018.92, 103,529.33 and 45,477.17

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Solution

The fourth proportional to 69,018.92, 103,529.33 and 45,477.17 is: 68,216.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,018.92 : 103,529.33 = 45,477.17 : x
  2. Step 2: Convert to fraction form
    69,018.92/103,529.33 = 45,477.17/x
  3. Step 3: Cross multiply
    69,018.92x = 103,529.33 × 45,477.17
  4. Step 4: Simplify right side
    69,018.92x = 4,708,220,195.36
  5. Step 5: Solve for x
    x = 4,708,220,195.36/69,018.92
  6. Step 6: Final answer
    x = 68,216.38

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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.