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Finding the Fourth Proportional to 64,828, 97,258.41 and 18,080.88

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Solution

The fourth proportional to 64,828, 97,258.41 and 18,080.88 is: 27,125.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,828 : 97,258.41 = 18,080.88 : x
  2. Step 2: Convert to fraction form
    64,828/97,258.41 = 18,080.88/x
  3. Step 3: Cross multiply
    64,828x = 97,258.41 × 18,080.88
  4. Step 4: Simplify right side
    64,828x = 1,758,517,153.91
  5. Step 5: Solve for x
    x = 1,758,517,153.91/64,828
  6. Step 6: Final answer
    x = 27,125.89

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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.