Home / 86,223.24-129,331.26-23,892.12

Finding the Fourth Proportional to 86,223.24, 129,331.26 and 23,892.12

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Solution

The fourth proportional to 86,223.24, 129,331.26 and 23,892.12 is: 35,837.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,223.24 : 129,331.26 = 23,892.12 : x
  2. Step 2: Convert to fraction form
    86,223.24/129,331.26 = 23,892.12/x
  3. Step 3: Cross multiply
    86,223.24x = 129,331.26 × 23,892.12
  4. Step 4: Simplify right side
    86,223.24x = 3,089,997,983.67
  5. Step 5: Solve for x
    x = 3,089,997,983.67/86,223.24
  6. Step 6: Final answer
    x = 35,837.18

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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.