Home / 75,450.15-104,130.39-43,196.76

Finding the Fourth Proportional to 75,450.15, 104,130.39 and 43,196.76

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Solution

The fourth proportional to 75,450.15, 104,130.39 and 43,196.76 is: 59,616.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,450.15 : 104,130.39 = 43,196.76 : x
  2. Step 2: Convert to fraction form
    75,450.15/104,130.39 = 43,196.76/x
  3. Step 3: Cross multiply
    75,450.15x = 104,130.39 × 43,196.76
  4. Step 4: Simplify right side
    75,450.15x = 4,498,095,465.54
  5. Step 5: Solve for x
    x = 4,498,095,465.54/75,450.15
  6. Step 6: Final answer
    x = 59,616.79

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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.