Home / 65,403.19-98,163.11-30,362.59

Finding the Fourth Proportional to 65,403.19, 98,163.11 and 30,362.59

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Solution

The fourth proportional to 65,403.19, 98,163.11 and 30,362.59 is: 45,570.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,403.19 : 98,163.11 = 30,362.59 : x
  2. Step 2: Convert to fraction form
    65,403.19/98,163.11 = 30,362.59/x
  3. Step 3: Cross multiply
    65,403.19x = 98,163.11 × 30,362.59
  4. Step 4: Simplify right side
    65,403.19x = 2,980,486,262.05
  5. Step 5: Solve for x
    x = 2,980,486,262.05/65,403.19
  6. Step 6: Final answer
    x = 45,570.96

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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.