Home / 71,186.07-98,238.84-39,357.03

Finding the Fourth Proportional to 71,186.07, 98,238.84 and 39,357.03

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Solution

The fourth proportional to 71,186.07, 98,238.84 and 39,357.03 is: 54,313.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,186.07 : 98,238.84 = 39,357.03 : x
  2. Step 2: Convert to fraction form
    71,186.07/98,238.84 = 39,357.03/x
  3. Step 3: Cross multiply
    71,186.07x = 98,238.84 × 39,357.03
  4. Step 4: Simplify right side
    71,186.07x = 3,866,388,973.05
  5. Step 5: Solve for x
    x = 3,866,388,973.05/71,186.07
  6. Step 6: Final answer
    x = 54,313.84

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1.5x scale

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.