Home / 75,299.06-103,911.72-43,033.31

Finding the Fourth Proportional to 75,299.06, 103,911.72 and 43,033.31

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Solution

The fourth proportional to 75,299.06, 103,911.72 and 43,033.31 is: 59,385.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,299.06 : 103,911.72 = 43,033.31 : x
  2. Step 2: Convert to fraction form
    75,299.06/103,911.72 = 43,033.31/x
  3. Step 3: Cross multiply
    75,299.06x = 103,911.72 × 43,033.31
  4. Step 4: Simplify right side
    75,299.06x = 4,471,664,739.83
  5. Step 5: Solve for x
    x = 4,471,664,739.83/75,299.06
  6. Step 6: Final answer
    x = 59,385.40

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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.