Home / 86,270.67-129,301.04-46,191.13

Finding the Fourth Proportional to 86,270.67, 129,301.04 and 46,191.13

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Solution

The fourth proportional to 86,270.67, 129,301.04 and 46,191.13 is: 69,230.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,270.67 : 129,301.04 = 46,191.13 : x
  2. Step 2: Convert to fraction form
    86,270.67/129,301.04 = 46,191.13/x
  3. Step 3: Cross multiply
    86,270.67x = 129,301.04 × 46,191.13
  4. Step 4: Simplify right side
    86,270.67x = 5,972,560,940.00
  5. Step 5: Solve for x
    x = 5,972,560,940.00/86,270.67
  6. Step 6: Final answer
    x = 69,230.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.