Home / 75,482.28-104,163.30-43,215.83

Finding the Fourth Proportional to 75,482.28, 104,163.30 and 43,215.83

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Solution

The fourth proportional to 75,482.28, 104,163.30 and 43,215.83 is: 59,636.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,482.28 : 104,163.30 = 43,215.83 : x
  2. Step 2: Convert to fraction form
    75,482.28/104,163.30 = 43,215.83/x
  3. Step 3: Cross multiply
    75,482.28x = 104,163.30 × 43,215.83
  4. Step 4: Simplify right side
    75,482.28x = 4,501,503,248.96
  5. Step 5: Solve for x
    x = 4,501,503,248.96/75,482.28
  6. Step 6: Final answer
    x = 59,636.56

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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.