Home / 71,186.03-98,231.91-39,350.60

Finding the Fourth Proportional to 71,186.03, 98,231.91 and 39,350.60

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Solution

The fourth proportional to 71,186.03, 98,231.91 and 39,350.60 is: 54,301.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,186.03 : 98,231.91 = 39,350.60 : x
  2. Step 2: Convert to fraction form
    71,186.03/98,231.91 = 39,350.60/x
  3. Step 3: Cross multiply
    71,186.03x = 98,231.91 × 39,350.60
  4. Step 4: Simplify right side
    71,186.03x = 3,865,484,597.65
  5. Step 5: Solve for x
    x = 3,865,484,597.65/71,186.03
  6. Step 6: Final answer
    x = 54,301.17

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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.