Home / 71,053.26-98,053.52-39,222.20

Finding the Fourth Proportional to 71,053.26, 98,053.52 and 39,222.20

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Solution

The fourth proportional to 71,053.26, 98,053.52 and 39,222.20 is: 54,126.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,053.26 : 98,053.52 = 39,222.20 : x
  2. Step 2: Convert to fraction form
    71,053.26/98,053.52 = 39,222.20/x
  3. Step 3: Cross multiply
    71,053.26x = 98,053.52 × 39,222.20
  4. Step 4: Simplify right side
    71,053.26x = 3,845,874,085.77
  5. Step 5: Solve for x
    x = 3,845,874,085.77/71,053.26
  6. Step 6: Final answer
    x = 54,126.64

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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.