Home / 71,795.80-99,077.40-39,529.76

Finding the Fourth Proportional to 71,795.80, 99,077.40 and 39,529.76

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Solution

The fourth proportional to 71,795.80, 99,077.40 and 39,529.76 is: 54,550.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,795.80 : 99,077.40 = 39,529.76 : x
  2. Step 2: Convert to fraction form
    71,795.80/99,077.40 = 39,529.76/x
  3. Step 3: Cross multiply
    71,795.80x = 99,077.40 × 39,529.76
  4. Step 4: Simplify right side
    71,795.80x = 3,916,505,998.71
  5. Step 5: Solve for x
    x = 3,916,505,998.71/71,795.80
  6. Step 6: Final answer
    x = 54,550.63

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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.