Home / 75,678.85-104,436.83-43,866.20

Finding the Fourth Proportional to 75,678.85, 104,436.83 and 43,866.20

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Solution

The fourth proportional to 75,678.85, 104,436.83 and 43,866.20 is: 60,535.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,678.85 : 104,436.83 = 43,866.20 : x
  2. Step 2: Convert to fraction form
    75,678.85/104,436.83 = 43,866.20/x
  3. Step 3: Cross multiply
    75,678.85x = 104,436.83 × 43,866.20
  4. Step 4: Simplify right side
    75,678.85x = 4,581,246,872.15
  5. Step 5: Solve for x
    x = 4,581,246,872.15/75,678.85
  6. Step 6: Final answer
    x = 60,535.37

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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.