Home / 57,705.67-86,571.06-18,263.13

Finding the Fourth Proportional to 57,705.67, 86,571.06 and 18,263.13

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Solution

The fourth proportional to 57,705.67, 86,571.06 and 18,263.13 is: 27,398.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,705.67 : 86,571.06 = 18,263.13 : x
  2. Step 2: Convert to fraction form
    57,705.67/86,571.06 = 18,263.13/x
  3. Step 3: Cross multiply
    57,705.67x = 86,571.06 × 18,263.13
  4. Step 4: Simplify right side
    57,705.67x = 1,581,058,523.02
  5. Step 5: Solve for x
    x = 1,581,058,523.02/57,705.67
  6. Step 6: Final answer
    x = 27,398.67

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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.