Home / 93,881.12-140,828.16-27,321.80

Finding the Fourth Proportional to 93,881.12, 140,828.16 and 27,321.80

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Solution

The fourth proportional to 93,881.12, 140,828.16 and 27,321.80 is: 40,984.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,881.12 : 140,828.16 = 27,321.80 : x
  2. Step 2: Convert to fraction form
    93,881.12/140,828.16 = 27,321.80/x
  3. Step 3: Cross multiply
    93,881.12x = 140,828.16 × 27,321.80
  4. Step 4: Simplify right side
    93,881.12x = 3,847,678,821.89
  5. Step 5: Solve for x
    x = 3,847,678,821.89/93,881.12
  6. Step 6: Final answer
    x = 40,984.59

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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.