Home / 86,606.21-129,912.96-27,440.57

Finding the Fourth Proportional to 86,606.21, 129,912.96 and 27,440.57

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Solution

The fourth proportional to 86,606.21, 129,912.96 and 27,440.57 is: 41,162.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,606.21 : 129,912.96 = 27,440.57 : x
  2. Step 2: Convert to fraction form
    86,606.21/129,912.96 = 27,440.57/x
  3. Step 3: Cross multiply
    86,606.21x = 129,912.96 × 27,440.57
  4. Step 4: Simplify right side
    86,606.21x = 3,564,885,023.22
  5. Step 5: Solve for x
    x = 3,564,885,023.22/86,606.21
  6. Step 6: Final answer
    x = 41,162.00

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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.