Home / 65,228.24-97,834.19-20,851.31

Finding the Fourth Proportional to 65,228.24, 97,834.19 and 20,851.31

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Solution

The fourth proportional to 65,228.24, 97,834.19 and 20,851.31 is: 31,274.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,228.24 : 97,834.19 = 20,851.31 : x
  2. Step 2: Convert to fraction form
    65,228.24/97,834.19 = 20,851.31/x
  3. Step 3: Cross multiply
    65,228.24x = 97,834.19 × 20,851.31
  4. Step 4: Simplify right side
    65,228.24x = 2,039,970,430.86
  5. Step 5: Solve for x
    x = 2,039,970,430.86/65,228.24
  6. Step 6: Final answer
    x = 31,274.35

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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.