Home / 64,700.34-96,910.20-31,350.48

Finding the Fourth Proportional to 64,700.34, 96,910.20 and 31,350.48

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Solution

The fourth proportional to 64,700.34, 96,910.20 and 31,350.48 is: 46,957.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,700.34 : 96,910.20 = 31,350.48 : x
  2. Step 2: Convert to fraction form
    64,700.34/96,910.20 = 31,350.48/x
  3. Step 3: Cross multiply
    64,700.34x = 96,910.20 × 31,350.48
  4. Step 4: Simplify right side
    64,700.34x = 3,038,181,286.90
  5. Step 5: Solve for x
    x = 3,038,181,286.90/64,700.34
  6. Step 6: Final answer
    x = 46,957.73

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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.