Home / 64,782.05-97,131.47-27,331.88

Finding the Fourth Proportional to 64,782.05, 97,131.47 and 27,331.88

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Solution

The fourth proportional to 64,782.05, 97,131.47 and 27,331.88 is: 40,980.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,782.05 : 97,131.47 = 27,331.88 : x
  2. Step 2: Convert to fraction form
    64,782.05/97,131.47 = 27,331.88/x
  3. Step 3: Cross multiply
    64,782.05x = 97,131.47 × 27,331.88
  4. Step 4: Simplify right side
    64,782.05x = 2,654,785,059.95
  5. Step 5: Solve for x
    x = 2,654,785,059.95/64,782.05
  6. Step 6: Final answer
    x = 40,980.26

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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.