Home / 65,217.40-97,826.10-31,942.60

Finding the Fourth Proportional to 65,217.40, 97,826.10 and 31,942.60

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Solution

The fourth proportional to 65,217.40, 97,826.10 and 31,942.60 is: 47,913.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,217.40 : 97,826.10 = 31,942.60 : x
  2. Step 2: Convert to fraction form
    65,217.40/97,826.10 = 31,942.60/x
  3. Step 3: Cross multiply
    65,217.40x = 97,826.10 × 31,942.60
  4. Step 4: Simplify right side
    65,217.40x = 3,124,819,981.86
  5. Step 5: Solve for x
    x = 3,124,819,981.86/65,217.40
  6. Step 6: Final answer
    x = 47,913.90

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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.