Home / 71,319.26-98,422.11-39,055.24

Finding the Fourth Proportional to 71,319.26, 98,422.11 and 39,055.24

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Solution

The fourth proportional to 71,319.26, 98,422.11 and 39,055.24 is: 53,897.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,319.26 : 98,422.11 = 39,055.24 : x
  2. Step 2: Convert to fraction form
    71,319.26/98,422.11 = 39,055.24/x
  3. Step 3: Cross multiply
    71,319.26x = 98,422.11 × 39,055.24
  4. Step 4: Simplify right side
    71,319.26x = 3,843,899,127.36
  5. Step 5: Solve for x
    x = 3,843,899,127.36/71,319.26
  6. Step 6: Final answer
    x = 53,897.07

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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.