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Finding the Fourth Proportional to 97,671, 134,786.04 and 52,959

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Solution

The fourth proportional to 97,671, 134,786.04 and 52,959 is: 73,083.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,671 : 134,786.04 = 52,959 : x
  2. Step 2: Convert to fraction form
    97,671/134,786.04 = 52,959/x
  3. Step 3: Cross multiply
    97,671x = 134,786.04 × 52,959
  4. Step 4: Simplify right side
    97,671x = 7,138,133,892.36
  5. Step 5: Solve for x
    x = 7,138,133,892.36/97,671
  6. Step 6: Final answer
    x = 73,083.45

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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.