Home / 71,047.05-98,037.94-39,213.89

Finding the Fourth Proportional to 71,047.05, 98,037.94 and 39,213.89

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Solution

The fourth proportional to 71,047.05, 98,037.94 and 39,213.89 is: 54,111.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,047.05 : 98,037.94 = 39,213.89 : x
  2. Step 2: Convert to fraction form
    71,047.05/98,037.94 = 39,213.89/x
  3. Step 3: Cross multiply
    71,047.05x = 98,037.94 × 39,213.89
  4. Step 4: Simplify right side
    71,047.05x = 3,844,448,994.99
  5. Step 5: Solve for x
    x = 3,844,448,994.99/71,047.05
  6. Step 6: Final answer
    x = 54,111.31

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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.