Home / 71,074.07-98,081.58-39,242.28

Finding the Fourth Proportional to 71,074.07, 98,081.58 and 39,242.28

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Solution

The fourth proportional to 71,074.07, 98,081.58 and 39,242.28 is: 54,153.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,074.07 : 98,081.58 = 39,242.28 : x
  2. Step 2: Convert to fraction form
    71,074.07/98,081.58 = 39,242.28/x
  3. Step 3: Cross multiply
    71,074.07x = 98,081.58 × 39,242.28
  4. Step 4: Simplify right side
    71,074.07x = 3,848,944,825.20
  5. Step 5: Solve for x
    x = 3,848,944,825.20/71,074.07
  6. Step 6: Final answer
    x = 54,153.99

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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.