Home / 71,185.07-98,237.46-39,356.03

Finding the Fourth Proportional to 71,185.07, 98,237.46 and 39,356.03

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Solution

The fourth proportional to 71,185.07, 98,237.46 and 39,356.03 is: 54,312.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,185.07 : 98,237.46 = 39,356.03 : x
  2. Step 2: Convert to fraction form
    71,185.07/98,237.46 = 39,356.03/x
  3. Step 3: Cross multiply
    71,185.07x = 98,237.46 × 39,356.03
  4. Step 4: Simplify right side
    71,185.07x = 3,866,236,816.06
  5. Step 5: Solve for x
    x = 3,866,236,816.06/71,185.07
  6. Step 6: Final answer
    x = 54,312.47

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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.