Home / 65,106.18-97,673.99-20,735.46

Finding the Fourth Proportional to 65,106.18, 97,673.99 and 20,735.46

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Solution

The fourth proportional to 65,106.18, 97,673.99 and 20,735.46 is: 31,107.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,106.18 : 97,673.99 = 20,735.46 : x
  2. Step 2: Convert to fraction form
    65,106.18/97,673.99 = 20,735.46/x
  3. Step 3: Cross multiply
    65,106.18x = 97,673.99 × 20,735.46
  4. Step 4: Simplify right side
    65,106.18x = 2,025,315,009.01
  5. Step 5: Solve for x
    x = 2,025,315,009.01/65,106.18
  6. Step 6: Final answer
    x = 31,107.88

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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.