Home / 96,802.12-145,131.18-40,658.68

Finding the Fourth Proportional to 96,802.12, 145,131.18 and 40,658.68

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Solution

The fourth proportional to 96,802.12, 145,131.18 and 40,658.68 is: 60,957.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,802.12 : 145,131.18 = 40,658.68 : x
  2. Step 2: Convert to fraction form
    96,802.12/145,131.18 = 40,658.68/x
  3. Step 3: Cross multiply
    96,802.12x = 145,131.18 × 40,658.68
  4. Step 4: Simplify right side
    96,802.12x = 5,900,842,205.64
  5. Step 5: Solve for x
    x = 5,900,842,205.64/96,802.12
  6. Step 6: Final answer
    x = 60,957.78

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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.