Home / 75,455.16-104,137.30-43,201.76

Finding the Fourth Proportional to 75,455.16, 104,137.30 and 43,201.76

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Solution

The fourth proportional to 75,455.16, 104,137.30 and 43,201.76 is: 59,623.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,455.16 : 104,137.30 = 43,201.76 : x
  2. Step 2: Convert to fraction form
    75,455.16/104,137.30 = 43,201.76/x
  3. Step 3: Cross multiply
    75,455.16x = 104,137.30 × 43,201.76
  4. Step 4: Simplify right side
    75,455.16x = 4,498,914,641.65
  5. Step 5: Solve for x
    x = 4,498,914,641.65/75,455.16
  6. Step 6: Final answer
    x = 59,623.68

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1.5x scale

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.