Home / 97,472.34-134,481.36-57,187.80

Finding the Fourth Proportional to 97,472.34, 134,481.36 and 57,187.80

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Solution

The fourth proportional to 97,472.34, 134,481.36 and 57,187.80 is: 78,901.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,472.34 : 134,481.36 = 57,187.80 : x
  2. Step 2: Convert to fraction form
    97,472.34/134,481.36 = 57,187.80/x
  3. Step 3: Cross multiply
    97,472.34x = 134,481.36 × 57,187.80
  4. Step 4: Simplify right side
    97,472.34x = 7,690,693,119.41
  5. Step 5: Solve for x
    x = 7,690,693,119.41/97,472.34
  6. Step 6: Final answer
    x = 78,901.29

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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.