Home / 65,023.36-97,539.72-31,771.12

Finding the Fourth Proportional to 65,023.36, 97,539.72 and 31,771.12

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Solution

The fourth proportional to 65,023.36, 97,539.72 and 31,771.12 is: 47,658.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,023.36 : 97,539.72 = 31,771.12 : x
  2. Step 2: Convert to fraction form
    65,023.36/97,539.72 = 31,771.12/x
  3. Step 3: Cross multiply
    65,023.36x = 97,539.72 × 31,771.12
  4. Step 4: Simplify right side
    65,023.36x = 3,098,946,148.89
  5. Step 5: Solve for x
    x = 3,098,946,148.89/65,023.36
  6. Step 6: Final answer
    x = 47,658.97

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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.