Home / 65,303.06-97,969.25-20,932.48

Finding the Fourth Proportional to 65,303.06, 97,969.25 and 20,932.48

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Solution

The fourth proportional to 65,303.06, 97,969.25 and 20,932.48 is: 31,403.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,303.06 : 97,969.25 = 20,932.48 : x
  2. Step 2: Convert to fraction form
    65,303.06/97,969.25 = 20,932.48/x
  3. Step 3: Cross multiply
    65,303.06x = 97,969.25 × 20,932.48
  4. Step 4: Simplify right side
    65,303.06x = 2,050,738,872.21
  5. Step 5: Solve for x
    x = 2,050,738,872.21/65,303.06
  6. Step 6: Final answer
    x = 31,403.41

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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.