Home / 71,795.52-99,075.42-39,965.76

Finding the Fourth Proportional to 71,795.52, 99,075.42 and 39,965.76

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Solution

The fourth proportional to 71,795.52, 99,075.42 and 39,965.76 is: 55,151.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,795.52 : 99,075.42 = 39,965.76 : x
  2. Step 2: Convert to fraction form
    71,795.52/99,075.42 = 39,965.76/x
  3. Step 3: Cross multiply
    71,795.52x = 99,075.42 × 39,965.76
  4. Step 4: Simplify right side
    71,795.52x = 3,959,624,457.62
  5. Step 5: Solve for x
    x = 3,959,624,457.62/71,795.52
  6. Step 6: Final answer
    x = 55,151.41

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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.