Home / 86,076.79-129,122.62-23,747.29

Finding the Fourth Proportional to 86,076.79, 129,122.62 and 23,747.29

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Solution

The fourth proportional to 86,076.79, 129,122.62 and 23,747.29 is: 35,622.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,076.79 : 129,122.62 = 23,747.29 : x
  2. Step 2: Convert to fraction form
    86,076.79/129,122.62 = 23,747.29/x
  3. Step 3: Cross multiply
    86,076.79x = 129,122.62 × 23,747.29
  4. Step 4: Simplify right side
    86,076.79x = 3,066,311,597.72
  5. Step 5: Solve for x
    x = 3,066,311,597.72/86,076.79
  6. Step 6: Final answer
    x = 35,622.98

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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.