Home / 71,329.07-98,433.78-39,063.80

Finding the Fourth Proportional to 71,329.07, 98,433.78 and 39,063.80

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Solution

The fourth proportional to 71,329.07, 98,433.78 and 39,063.80 is: 53,907.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,329.07 : 98,433.78 = 39,063.80 : x
  2. Step 2: Convert to fraction form
    71,329.07/98,433.78 = 39,063.80/x
  3. Step 3: Cross multiply
    71,329.07x = 98,433.78 × 39,063.80
  4. Step 4: Simplify right side
    71,329.07x = 3,845,197,495.16
  5. Step 5: Solve for x
    x = 3,845,197,495.16/71,329.07
  6. Step 6: Final answer
    x = 53,907.86

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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.