Home / 71,049.17-98,047.32-39,218.06

Finding the Fourth Proportional to 71,049.17, 98,047.32 and 39,218.06

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Solution

The fourth proportional to 71,049.17, 98,047.32 and 39,218.06 is: 54,120.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,049.17 : 98,047.32 = 39,218.06 : x
  2. Step 2: Convert to fraction form
    71,049.17/98,047.32 = 39,218.06/x
  3. Step 3: Cross multiply
    71,049.17x = 98,047.32 × 39,218.06
  4. Step 4: Simplify right side
    71,049.17x = 3,845,225,678.60
  5. Step 5: Solve for x
    x = 3,845,225,678.60/71,049.17
  6. Step 6: Final answer
    x = 54,120.63

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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.