Home / 86,112.72-129,176.46-23,783.22

Finding the Fourth Proportional to 86,112.72, 129,176.46 and 23,783.22

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Solution

The fourth proportional to 86,112.72, 129,176.46 and 23,783.22 is: 35,676.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,112.72 : 129,176.46 = 23,783.22 : x
  2. Step 2: Convert to fraction form
    86,112.72/129,176.46 = 23,783.22/x
  3. Step 3: Cross multiply
    86,112.72x = 129,176.46 × 23,783.22
  4. Step 4: Simplify right side
    86,112.72x = 3,072,232,167.00
  5. Step 5: Solve for x
    x = 3,072,232,167.00/86,112.72
  6. Step 6: Final answer
    x = 35,676.87

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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.