Home / 51,857.48-71,564.77-31,714.00

Finding the Fourth Proportional to 51,857.48, 71,564.77 and 31,714.00

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Solution

The fourth proportional to 51,857.48, 71,564.77 and 31,714.00 is: 43,766.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,857.48 : 71,564.77 = 31,714.00 : x
  2. Step 2: Convert to fraction form
    51,857.48/71,564.77 = 31,714.00/x
  3. Step 3: Cross multiply
    51,857.48x = 71,564.77 × 31,714.00
  4. Step 4: Simplify right side
    51,857.48x = 2,269,604,798.12
  5. Step 5: Solve for x
    x = 2,269,604,798.12/51,857.48
  6. Step 6: Final answer
    x = 43,766.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.