Home / 42,714.36-64,076.67-17,771.29

Finding the Fourth Proportional to 42,714.36, 64,076.67 and 17,771.29

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Solution

The fourth proportional to 42,714.36, 64,076.67 and 17,771.29 is: 26,659.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,714.36 : 64,076.67 = 17,771.29 : x
  2. Step 2: Convert to fraction form
    42,714.36/64,076.67 = 17,771.29/x
  3. Step 3: Cross multiply
    42,714.36x = 64,076.67 × 17,771.29
  4. Step 4: Simplify right side
    42,714.36x = 1,138,724,924.61
  5. Step 5: Solve for x
    x = 1,138,724,924.61/42,714.36
  6. Step 6: Final answer
    x = 26,659.07

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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.